Fordham
    University
Equations of Riemann surfaces with automorphisms

Genus 7, \( \delta = 0\)

CheckGenus7.txt
Locus Group ID Signature Generators Comments and Favorite Equations Additional files
1 (504,156) (2,3,7)
\( (x_0, -x_1, -x_2, -x_3,x_4,x_5,-x_6)\)
\( (\frac{1}{2}(-x_1 + x_2 - x_3 + x_5), \frac{1}{2}(x_0-x_1-x_2+x_4), \frac{1}{2}(x_0,x_1,-x_3,x_6), \frac{1}{2}(-x_0-x_2+x_5+x_6), \frac{1}{2}(-x_1-x_4-x_5+x_6), \frac{1}{2}(-x_0-x_3+x_4-x_5), \frac{1}{2}(-x_2-x_2-x_4-x_6) \)
Macbeath's curve
\( x_0^2+x_1^2+x_2^2+x_3^2+x_4^2+x_5^2+x_6^2,\)
\( x_0^2+\zeta_{7} x_1^2+\zeta_{7}^2 x_2^2+\zeta_{7}^3 x_3^2+\zeta_{7}^4 x_4^2+\zeta_{7}^5 x_5^2+\zeta_{7}^6 x_6^2,\)
\(x_0^2+\zeta_{7}^{-1} x_1^2+\zeta_{7}^{-2} x_2^2+\zeta_{7}^{-3} x_3^2+\zeta_{7}^{-4} x_4^2+\zeta_{7}^{-5} x_5^2+\zeta_{7}^{-6} x_6^2,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_0 x_6-(\zeta_{7}^{-2}-\zeta_{7}^2) x_1 x_4+(\zeta_{7}-\zeta_{7}^{-1}) x_3 x_5,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_1 x_0-(\zeta_{7}^{-2}-\zeta_{7}^2) x_2 x_5+(\zeta_{7}-\zeta_{7}^{-1}) x_4 x_6,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_2 x_1-(\zeta_{7}^{-2}-\zeta_{7}^2) x_3 x_6+(\zeta_{7}-\zeta_{7}^{-1}) x_5 x_0,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_3 x_2-(\zeta_{7}^{-2}-\zeta_{7}^2) x_4 x_0+(\zeta_{7}-\zeta_{7}^{-1}) x_6 x_1,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_4 x_3-(\zeta_{7}^{-2}-\zeta_{7}^2) x_5 x_1+(\zeta_{7}-\zeta_{7}^{-1}) x_0 x_2,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_5 x_4-(\zeta_{7}^{-2}-\zeta_{7}^2) x_6 x_2+(\zeta_{7}-\zeta_{7}^{-1}) x_1 x_3,\)
\((\zeta_{7}^{-3}-\zeta_{7}^3) x_6 x_5-(\zeta_{7}^{-2}-\zeta_{7}^2) x_0 x_3+(\zeta_{7}-\zeta_{7}^{-1}) x_2 x_4\)
Genus-7-504-156.htm
2 (144,127) (2,3,12)
\( (-x_0, (-\zeta_{12}^3 + \zeta_{12})x_1 - \zeta_{12}x_2, -\zeta_{12}x_1 + (\zeta_{12}^3 - \zeta_{12})x_2 , (-\zeta_{12}^2 + 1)x_4 , \zeta_{12}^2x_3, \zeta_{12}^2x_3 + \zeta_{12}^2x_6, (\zeta_{12}^2 - 1)x_4 + (-\zeta_{12}^2 + 1)x_5 \)
\( ( (\zeta_{12}^2 - 1)x_0, -x_1 + \zeta_{12}^2x_2 , (\zeta_{12}^2 - 1)x_1, (\zeta_{12}^2 - 1)x_3 , (\zeta_{12}^2 - 1)x_4 + (-\zeta_{12}^2 + 1)x_5 , -\zeta_{12}^2x_5 , x_3 + x_6 ) \)
\(x_0^2 + x_3 x_4 - \zeta_{6} x_3 x_5 - \zeta_{6} x_5 x_6,\)
\(2 i x_1^2 + x_3 x_4 + \zeta_{6} x_3 x_5 + 2 x_4 x_6 - \zeta_{6} x_5 x_6,\)
\(2 i x_1 x_2 +(-2 \zeta_{12}^2 + 1) x_3 x_4 + \zeta_{6} x_3 x_5 - 2 \zeta{6} x_4 x_6 + \zeta_{6} x_5 x_6,\)
\(2 i x_2^2 -x_3 x_4 +(-\zeta_{6} + 2) x_3 x_5 + (2 \zeta_{6} - 2) x_4 x_6 +(-\zeta_{6} + 2) x_5 x_6,\)
\(x_1 x_3 - \zeta_{6} x_2 x_6 + \zeta_{12} x_4^2 + (i - 2 \zeta_{12}) x_4 x_5 + \zeta_{12} x_5^2,\)
\(x_1 x_4 +(-\zeta_{6} + 1) x_2 x_5 -x_3 x_6 - x_6^2,\)
\(x_1 x_5 - x_2 x_5 + x_3^2 +(-\zeta_{6} + 2) x_3 x_6,\)
\(x_1 x_6 + x_2 x_6 -\zeta_{12} x_4^2 + \zeta_{12} x_4 x_5 - \zeta_{12} x_5^2,\)
\(x_2 x_3 - \zeta_{6} x_2 x_6 + \zeta_{12} x_4^2,\)
\(x_2 x_4 +(-\zeta_{6} - 1) x_2 x_5 + \zeta_{6} x_3^2 + 2 \zeta_{6} x_3 x_6 + \zeta_{6} x_6^2\)
Genus-7-144-127.htm
3 (64,41) (2,4,16)
\( (-x_0,x_2,x_1,x_4,x_3,x_6,x_6)\)
\( (\zeta_{8}^2x_0, -\zeta_{8} x_2, -\zeta_{8}^3x_1,x_6,-\zeta_{8}x_5,-\zeta_{8}^3 x_4,x_3) \)
\( x_0^2+x_1 x_2 \)
\(x_3 x_4-\zeta_{16}^2 x_5 x_6\)
\(x_1^2+x_3 x_6+ \zeta_{16}^4 x_4 x_5\)
\(x_2^2+\zeta_{16}^4 x_3 x_6+x_4 x_5 \)
\(x_0 x_1+\zeta_{16}^{-1} x_3^2+\zeta_{16}^6 x_5^2 \)
\(x_0 x_2-\zeta_{16}^{-1} x_4^2-\zeta_{16}^5 x_6^2\)
\(x_0 x_3-\zeta_{16} x_2 x_6 \)
\(x_0 x_4-\zeta_{16} x_1 x_5 \)
\(x_0 x_5+\zeta_{16}^{-1} x_2 x_4 \)
\(x_0 x_6-\zeta_{16}^{-1} x_1 x_3\)
Genus-7-64-41.htm
4 (64,38) (2,4,16)
\( (2, 7)(3, 12)(5, 13)(8, 10)(9, 19)(11, 21)(14, 22)(15, 27)(16, 26)(18, 20)(23, 24)(25, 31)(28, 32)(29, 30)\)
\( (1, 2, 4, 9)(3, 7, 14, 19)(5, 18, 16, 29)(6, 11, 17, 25)(8, 22, 23, 12)(10, 26, 24, 13)(15, 21, 28, 31)(20, 32, 30, 27) \)
Hyperelliptic, \( y^2=x^{16}-1\) Genus-7-64-38.txt
5 (56,4) (2,4,28)
\( (1, 16)(2, 20)(3, 22)(4, 9)(5, 25)(6, 12)(7, 14)(8, 23)(10, 18)(11, 26)(13, 27)(17, 28)\)
\( (1, 12, 3, 18)(2, 14, 5, 9)(4, 6, 7, 10)(8, 20, 13, 25)(11, 22, 17, 16)(15, 26, 21, 28)(19, 27, 24, 23)\)
Hyperelliptic, \( y^2 = x^{15}-x\) Genus-7-56-4.txt
6 (54,6) (2,6,9)
\( (-x_0, (\zeta_{18}^5-\zeta_{18}^2)x_6,\zeta_{18}^2 x_4, -\zeta_{18}^5 x_5, (-\zeta_{18}^{4}+\zeta_{18})x_2,\zeta_{18}^4 x_3, -\zeta_{18}x_1) \)
\( (\zeta_{6}x_0, (\zeta_{6}-1)x_5, (\zeta_{6}-1)x_6,(\zeta_{6}-1)x_4,-\zeta_{6}x_1,-\zeta_{6}x_2,-\zeta_{6}x_3) \)
\( x_1 x_6+x_2 x_4+x_3 x_5 \)
\( x_0^2-x_1 x_6+\zeta_{6} x_2 x_4-(\zeta_{6}-1) x_3 x_5\)
\( x_1 x_4+(\zeta_{6}-1) x_2 x_5-\zeta_{6} x_3 x_6\)
\( x_1 x_5+(\zeta_{6}-1) x_2 x_6-\zeta_{6} x_3 x_4\)
\( x_0 x_1-x_4 x_6-\zeta_{6} x_5^2\)
\( x_0 x_2-(\zeta_{6}-1) x_4 x_5+x_6^2\)
\( x_0 x_3+(\zeta_{6}-1) x_4^2+\zeta_{6} x_5 x_6\)
\( x_0 x_4-x_1^2+(\zeta_{6}-1) x_2 x_3\)
\( x_0 x_5-\zeta_{6} x_1 x_3-(\zeta_{6}-1) x_2^2\)
\( x_0 x_6+x_1 x_2+\zeta_{6} x_3^2\)
Genus-7-54-6ab.htm
7 (54,6) (2,6,9) Complex conjugate of the previous entry See the discussion at the end of Genus-7-54-6ab.htm
8 (54,3) (2,6,9)
\((x_1,x_0,-x_6,-x_5,-x_4,-x_3,-x_2)\)
\( (\zeta_9 x_1, \zeta_9^2 x_0,-\zeta_9 x_6, -\zeta_9^2 x_5, -\zeta_9^3 x_4, -\zeta_9^4 x_3, -\zeta_9^5 x_2) \)
Cyclic trigonal \( y^3 = x^9-1\)
\( 2\times 2\) minors of \( \left[ \begin{array}{rrrrr} x_0 & x_2 & x_3 & x_4 & x_5 \\ x_1 & x_3 & x_4 & x_5 & x_6 \end{array} \right]\), and
\( x_0^3-x_6^2+x_2^3 \)
\( x_0^2 x_1-x_6^2 x_4+x_2^2 x_3, \)
\( x_0 x_1^2-x_6^2 x_5+x_2^2 x_4, \)
\( x_1^3-x_6^3+x_2^2 x_5 \)
Genus-7-54-3.htm
9 (48,32) (3,4,6)
\( ( (\zeta_{6}-1)x_0, (-\zeta_{6}+1)x_2,-\zeta_6 x_1-x_2, -x_3+\zeta_6 x_4, (\zeta_6-1)x_3, (\zeta_6-1)x_5-\zeta_6 x_6, x_6) \)
\( (-x_0,x_2,-x_1,-x_4,x_3,(\zeta_6-1)x_5-\zeta_6 x_6, -\zeta_6 x_5 +(-\zeta_6 + 1)x_6\)
\( x_0^2+x_3 x_5+\zeta_{6} x_3 x_6+(-\zeta_{6}+1) x_4 x_6 \)
\( x_1 x_3+x_1 x_5+((2/3) \zeta_{6}-1/3) x_1 x_6-x_2 x_4+(-(2/3) \zeta_{6}+1/3) x_2 x_5+((2/3) \zeta_{6}-1/3) x_2 x_6 \)
\( x_1 x_4+(-(1/3) \zeta_{6}+1/6) x_1 x_5+((1/3) \zeta_{6}-1/6) x_1 x_6-(1/2) x_2 x_5+(1/2) x_2 x_6 \)
\( (-\zeta_{6}+1/2) x_1 x_5+(1/2) x_1 x_6+x_2 x_3-(1/2) x_2 x_5+(-(1/3) \zeta_{6}+1/6) x_2 x_6 \)
\( x_1^2+x_3 x_5-x_3 x_6+(-(2/3) \zeta_{6}+1/3) x_4 x_5+((2/3) \zeta_{6}-1/3) x_4 x_6-(2/3) x_5^2+(-(2/3) \zeta_{6}+2/3) x_5 x_6+(2/3) \zeta_{6} x_6^2 \)
\( x_1 x_2+(-(2/3) \zeta_{6}+1/3) x_3 x_5+((2/3) \zeta_{6}-1/3) x_3 x_6-x_4 x_5+(-(2/3) \zeta_{6}+1/3) x_4 x_6+((2/3) \zeta_{6}-1/3) x_5^2-(2/3) \zeta_{6} x_5 x_6+(1/3) x_6^2 \)
\( x_2^2-x_3 x_5+(-(2/3) \zeta_{6}+1/3) x_3 x_6+(2 \zeta_{6}-1) x_4 x_5-x_4 x_6+(-(2/3) \zeta_{6}-2/3) x_5 x_6+(-(2/3) \zeta_{6}+2/3) x_6^2 \)
\( -(1/2) x_3 x_5+(1/2) x_3 x_6+x_4^2+((1/3) \zeta_{6}-1/6) x_4 x_5+(-(1/3) \zeta_{6}+1/6) x_4 x_6-(1/3) x_5^2+(-(1/3) \zeta_{6}+1/3) x_5 x_6+(1/3) \zeta_{6} x_6^2 \)
\( -x_3 x_4+((1/3) \zeta_{6}-1/6) x_3 x_5+(-(1/3) \zeta_{6}+1/6) x_3 x_6+(1/2) x_4 x_5+((1/3) \zeta_{6}-1/6) x_4 x_6+((1/3) \zeta_{6}-1/6) x_5^2-(1/3) \zeta_{6} x_5 x_6+(1/6) x_6^2 \)
\( x_3^2+(1/2) x_3 x_5+((1/3) \zeta_{6}-1/6) x_3 x_6+(-\zeta_{6}+1/2) x_4 x_5+(1/2) x_4 x_6+(-(1/3) \zeta_{6}-1/3) x_5 x_6+(-(1/3) \zeta_{6}+1/3) x_6^2 \)
Genus-7-48-32.htm
10 (42,4) (2,6,21)
\( (\zeta_7 x_1,\zeta_7^6 x_0,-\zeta_7^4 x_6,-\zeta_7^2x_5,-x_4,-\zeta_7^5 x_3,-\zeta_7^3 x_2)\)
\( (\zeta_{21}^{-2} x_1, \zeta_{21}^{-5} x_0,-\zeta_{21}^{-1} x_6, -\zeta_{21}^{-4} x_5, (\zeta_3+1) x_4, -\zeta_{21}^{11} x_3, -\zeta_{21}^8 x_2 )\)
Cyclic trigonal \( y^3 = x^8-x \)
\(2\times 2\) minors of \( \left[ \begin{array}{rrrrr} x_0 & x_2 & x_3 & x_4 & x_5 \\ x_1 & x_3 & x_4 & x_5 & x_6 \end{array} \right]\), and
\(x_0^3-x_6^2 x_2+x_2^2 x_3\)
\( x_0^2 x_1-x_6^2 x_3+x_2^2 x_4,\)
\( x_0 x_1^2-x_6^2 x_4+x_2^2 x_5,\)
\( x_1^3-x_6^2 x_5+x_2^2 x_6\)
Genus-7-42-4.htm
11 (32,11) (4,4,8)
\( (-x_0,-x_2,x_1,-ix_4,-ix_3,ix_6,ix_5)\)
\( (ix_0,x_1,ix_2,-x_3,-ix_4,-x_5,ix_6)\)
\( x_3 x_5+x_4 x_6, \)
\(x_0^2+x_1 x_5+\zeta_8^2 x_2 x_6,\)
\(x_1 x_4+\zeta_8^2 x_2 x_3+x_5 x_6,\)
\(x_1 x_2+x_3 x_4,\)
\(x_1 x_6+\zeta_8^3 x_4 x_5,\)
\(x_2 x_5+\zeta_8 x_3 x_6,\)
\(x_1^2-\zeta_8^2 x_3^2-\zeta_8^3 x_5^2,\)
\(x_2^2+\zeta_8^2 x_4^2+\zeta_8^3 x_6^2,\)
\(-\zeta_8^2 x_2 x_4+\zeta_8^3 x_3^2,\)
\(x_1 x_3-\zeta_8^3 x_4^2\)
Genus-7-32-11.htm
12 (32,10) (4,4,8)
\( (-x_0,-x_2,x_1,-\zeta_{16}^2 x_4,-\zeta_{16}^6 x_3, -\zeta_{16}^6 x_6, -\zeta_{16}^2 x_5)\)
\( (\zeta_{16}^4 x_0, -\zeta_{16}^6 x_2,-\zeta_{16}^2 x_1, -\zeta_{16}^4 x_4, \zeta_{16}^4 x_3, -\zeta_{16}^4 x_6, -\zeta_{16}^4 x_5) \)
\( x_1 x_6+\zeta_{16}^6 x_2 x_5+x_3 x_4, \)
\(x_1 x_2+x_5 x_6,\)
\(x_0^2+x_1 x_6-\zeta_{16}^6 x_2 x_5,\)
\(x_3 x_6-\zeta_{16}^4 x_4 x_5,\)
\(x_1^2-\zeta_{16}^7 x_4^2-\zeta_{16}^6 x_5^2,\)
\(x_2^2+\zeta_{16}^3 x_3^2-\zeta_{16}^10 x_6^2,\)
\(-\zeta_{16}^2 x_2 x_6+(\zeta_{16}^{16}+\zeta_{16}^8) x_4^2-\zeta_{16}^7 x_5^2,\)
\(x_1 x_5+(-\zeta_{16}^{12}-\zeta_{16}^4) x_3^2-\zeta_{16}^{11} x_6^2,\)
\(x_1 x_3+\zeta_{16}^7 x_4 x_6,\)
\(x_2 x_4+\zeta_{16} x_3 x_5\)
Genus-7-32-10.htm
13 (30,4) (2,15,30)
\( (1, 2)(3, 7)(4, 8)(5, 9)(6, 10)(11, 17)(12, 18)(13, 19)(14, 20)(15, 21)(16, 22)(23, 27)(24, 28)(25, 29)(26, 30)\)
\( (1, 26, 11, 6, 25, 3, 16, 14, 12, 13, 5, 24, 4, 15, 23)(2, 30, 17, 10, 29, 7, 22, 20, 18, 19, 9, 28, 8, 21, 27)\)
Hyperelliptic, \(y^2 = x^{15}-1\) Genus-7-30-4.txt

Genus 7, \( \delta = 1\)

Locus Group ID Signature Generators Comments and Favorite Equations Additional files
14 (48,48) (2,2,2,4)
\( (-x_0,x_2+x_3,-x_2,x_1+x_2,-x_4+x_5+x_6,x_6,x_5) \)
\( (-x_0, x_1+x_2,-x_2,x_2+x_3,-x_6,x_4-x_5-x_6,-x_4) \)
\( (-x_0,x_1,-x_1-x_2,-x_3,-x_4,x_5,-x_5-x_6) \)
\( x_0^2 + x_4^2 + x_4 x_6 + x_5^2 - x_5 x_6 + x_6^2, \)
\( x_1^2 - x_1 x_2 + x_2^2 - x_2 x_3 + x_3^2+x_4^2 + x_4 x_6 + x_5^2 - x_5 x_6 + x_6^2,\)
\( (c_{13}^2+6) (x_1^2 - 2 x_1 x_3 - x_2^2 + x_3^2)+c_{13}^2 (x_4^2 - 2 x_4 x_5 + 2 x_4 x_6 + x_5^2 - 2 x_5 x_6),\)
\( (c_{13}^2+6) (x_1 x_2 - 2 x_1 x_3 - 1/2 x_2^2 + x_2 x_3)+ c_{13}^2 (-2 x_4 x_5 + x_4 x_6 - x_5 x_6 + 1/2 x_6^2),\)
\( c_{13} (x_0 x_4 + x_0 x_5 + x_0 x_6)+((c_{13}^2+6)/2) (x_1^2 - x_3^2)+(c_{13}^2/2) (x_4^2 + 2 x_4 x_6 - x_5^2 + x_6^2),\)
\( c_{13} (x_0 x_4 + x_0 x_5)+((c_{13}^2+6)/2) (x_1 x_2 - x_2 x_3)+(c_{13}^2/2) (x_4 x_6 - x_5 x_6 + x_6^2),\)
\( c_{13} (2 x_0 x_4 + x_0 x_6)+((c_{13}^2+6)/2) (x_2^2 - 2 x_2 x_3)+(c_{13}^2/2) (2 x_4 x_6 + x_6^2),\)
\( x_0 x_1 + x_0 x_3+c_{13} (x_1 x_5 - x_3 x_4 - x_3 x_6),\)
\( 2 x_0 x_1 - x_0 x_2+c_{13} (x_1 x_6 + x_2 x_5 - x_2 x_6),\)
\( x_0 x_2 - 2 x_0 x_3+c_{13} (x_2 x_4 + x_3 x_6)\)
Genus-7-48-48.htm
15 (48,41) (2,2,2,4)
\( ( -x_0,-x_1,x_2,ix_5,-ix_6,-ix_3,ix_4)\)
\( (-x_0,ix_2,-ix_1,(\zeta_{12}^2-1)x_6,-(\zeta_{12}^2-1)x_5,\zeta_{12}^2x_4,-\zeta_{12}^2x_3)\)
\( (-x_0,x_2,x_1,\zeta_{12}x_6,\zeta_{12}x_5,(-\zeta_{12}^3+\zeta_{12})x_4,(-\zeta_{12}^3+\zeta_{12})x_3)\)
\( x_0^2+ x_3 x_6 - x_4 x_5, \)
\( x_1^2 - x_2^2 + x_3 x_5 - x_4 x_6,\)
\( (c_9^2-2 i) x_1 x_2 + i (x_3 x_6 + x_4 x_5),\)
\( (c_9^2-2 i) (x_1^2 + x_2^2) - c_9^2 (x_3 x_5 + x_4 x_6),\)
\( c_9 (x_1 x_3 + x_2 x_4)-i x_5^2 - i x_6^2,\)
\( c_9 (x_1 x_5 + x_2 x_6) +x_3^2 + x_4^2,\)
\( x_1 x_4 + x_2 x_3+c_9 x_5 x_6,\)
\( x_1 x_6 + x_2 x_5+i c_9 (x_3 x_4),\)
\( (c_9^2-2 i) (x_1 x_3 - x_2 x_4) +c_9 (i x_5^2 - i x_6^2),\)
\( (c_9^2-2 i) (x_1 x_5 - x_2 x_6) -c_9 (x_3^2 - x_4^2)\)
Genus-7-48-41.htm
16 (48,38) (2,2,2,4)
\( (-x_0,x_1,-x_2,-\zeta_6 x_5,\zeta_6 x_6,(\zeta_6-1) x_3, (-\zeta_6+1)x_4)\)
\( (-x_0,-x_1,-x_2,-x_5,-x_6,-x_3,-x_4)\)
\( (-x_0,-x_2,-x_1,-x_6,-x_5,-x_4,-x_3)\)
\( x_0^2+ x_3 x_5 + x_4 x_6, \)
\( (2 c_{10}+1) (x_1^2 + x_2^2) -c_{10} (x_3 x_5 + x_4 x_6),\)
\( (2 c_{10}+1) x_1 x_2 -c_{10}^2 (x_3 x_6 + x_4 x_5),\)
\( x_1^2 - x_2^2 + c_{10} (x_3 x_5 - x_4 x_6),\)
\( (2 c_{10}+1) (x_1 x_3 - x_2 x_4)-c_{10} (x_5^2 - x_6^2),\)
\( (2 c_{10}+1) (x_1 x_5 - x_2 x_6) -c_{10} (x_3^2 - x_4^2),\)
\( x_1 x_3 + x_2 x_4 + c_{10} (x_5^2 + x_6^2),\)
\( x_1 x_5 + x_2 x_6 + c_{10} (x_3^2 + x_4^2),\)
\( x_1 x_4 + x_2 x_3 +x_5 x_6,\)
\( x_1 x_6 + x_2 x_5 + x_3 x_4\)
Genus-7-48-38.htm
17 (36,10) (2,2,2,6)
\( (-x_0,x_2,x_1,-x_3-x_4,x_4,x_6,x_5)\)
\( (-x_0,x_1-x_2,-x_2,x_5,x_3+x_4-x_6,x_3,x_3+x_5-x_6)\)
\( (-x_0,-x_1,-x_2,x_5,-x_3-x_4-x_5+x_6,x_3,x_6)\)
\( x_0^2+c_3 (x_3^2 - x_3 x_4 - x_3 x_5 + 1/2 x_3 x_6 + x_4^2 + 1/2 x_4 x_5 + 1/2 x_4 x_6 + x_5^2 + 1/2 x_5 x_6 + x_6^2),\)
\( x_1^2 + x_1 x_2 + x_2^2+(c_3+6) (x_3^2 - x_3 x_4 - x_3 x_5 + 1/2 x_3 x_6 + x_4^2 + 1/2 x_4 x_5 + 1/2 x_4 x_6 + x_5^2 + 1/2 x_5 x_6 + x_6^2),\)
\( x_0 x_1 -x_1^2 -2 x_1 x_2 -3 (-2 x_3 x_4 - x_3 x_6 + x_4^2 + x_4 x_5 - x_5 x_6 - x_6^2),\)
\( x_0 x_2 +2 x_1 x_2 + x_2^2-3 (x_3^2 - x_3 x_5 + x_3 x_6 - x_4^2 - x_4 x_6 + x_5^2 + x_5 x_6),\)
\( x_1 x_3 + x_1 x_4 + 2 x_1 x_6 + 2 x_2 x_3 - x_2 x_4 + x_2 x_6 + x_3^2 - x_3 x_4 + 2 x_3 x_5 + 2 x_3 x_6 + x_4^2 - x_4 x_5 + 2 x_4 x_6 - 2 x_5^2 - x_5 x_6 + x_6^2,\)
\( x_1 x_5 + 2 x_1 x_6 + 2 x_2 x_5 + x_2 x_6+ 2 x_3^2 -2 x_3 x_4 - 2 x_3 x_5 + x_3 x_6 + 2 x_4^2 + x_4 x_5 + x_4 x_6 - x_5^2- 2 x_5 x_6 - x_6^2,\)
\( x_0 x_3 + x_1 x_4 - x_1 x_5 - x_2 x_3 + x_2 x_4 - x_2 x_6 + x_3^2 + 2 x_3 x_4 + 2 x_3 x_5 + 2 x_3 x_6 - 2 x_4^2 - 4 x_4 x_5 - 4 x_4 x_6 - 2 x_5^2 - 4 x_5 x_6 - 2 x_6^2,\)
\( x_0 x_4 + x_1 x_3 - x_1 x_5 + x_2 x_4 + 2 x_3 x_4 - 2 x_3 x_6 - x_4^2 - 4 x_4 x_5 - 2 x_5 x_6 - 2 x_6^2,\)
\( x_0 x_5 -x_1 x_5 - x_2 x_5 - x_2 x_6 + 2 x_3^2 - 2 x_3 x_5 + 2 x_3 x_6 - 2 x_4^2 - 2 x_4 x_6 - x_5^2 - 4 x_5 x_6,\)
\( x_0 x_6 + x_1 x_5 + x_1 x_6 + x_2 x_6 + -4 x_3 x_4 - 2 x_3 x_6 + 2 x_4^2 + 2 x_4 x_5 + 4 x_5 x_6 + x_6^2\)
Genus-7-36-10.htm
18 (32,43) (2,2,2,8)
\( (-x_0,-x_1,-x_2,-x_3,-x_4,x_5,x_6)\)
\( (-x_0,-x_2,-x_1,-ix_6,-x_5,-x_4,ix_3)\)
\( (-x_0,-x_1,x_2,-ix_4,ix_3,-ix_6,ix_5)\)
\( x_0^2+ 2 x_3 x_4 - 2 i x_5 x_6,\)
\( x_1^2 + x_2^2-2 x_3 x_4 +2 i x_5 x_6,\)
\( x_3 x_6 - x_4 x_5,\)
\( x_1^2 - x_2^2+c_8 (x_3 x_4 + i x_5 x_6),\)
\( x_0 x_1+x_3^2-x_4^2-i x_5^2+i x_6^2,\)
\( x_0 x_2-x_5^2-x_6^2-i x_3^2-i x_4^2,\)
\( x_0 x_3-x_1 x_4-i x_2 x_4,\)
\( x_0 x_4+x_1 x_3-i x_2 x_3,\)
\( x_0 x_5-i x_2 x_6-x_1 x_6,\)
\( x_0 x_6-i x_2 x_5+x_1 x_5 \)
Genus-7-32-43.htm
19 (32,42) (2,2,2,8)
\( (-x_0,-x_2,-x_1,\zeta_8 x_4,-\zeta_8^3 x_3,\zeta_8^3 x_6,-\zeta_8 x_5)\)
\( (-x_0,x_1,-x_2,-ix_4,ix_3,-x_6,-x_5)\)
\( (-x_0,-x_1,-x_2,-x_3,x_4,x_5,-x_6)\)
\( x_0^2+x_1^2 + x_2^2, \)
\( x_1 x_2+x_3 x_6 + i x_4 x_5,\)
\( x_3 x_4+x_5 x_6,\)
\( x_1^2 - x_2^2+c_8 (x_3 x_6 - i x_4 x_5),\)
\( x_0 x_1+((1/2) \zeta_8^{-1} c_8 -\zeta_8) (x_3^2 + x_4^2)+((1/2) \zeta_8 c_8 -\zeta_8^{-1}) (x_5^2 -x_6^2),\)
\( x_0 x_2+((1/2) \zeta_8^{-1} c_8 -\zeta_8) (i x_3^2 - i x_4^2)+((1/2) \zeta_8 c_8 -\zeta_8^{-1}) (i x_5^2 + i x_6^2),\)
\( x_0 x_5+\zeta_8^3 (i x_1 x_4 - x_2 x_4),\)
\( x_0 x_6+\zeta_8^3 (x_1 x_3 -i x_2 x_3),\)
\( x_0 x_3-\zeta_8^3 (i x_1 x_6 - x_2 x_6),\)
\( x_0 x_4-\zeta_8^3 (x_1 x_5 -i x_2 x_5) \)
Genus-7-32-42.htm
20 (32,39) (2,2,2,8)
\( (1, 10)(2, 14)(3, 5)(4, 15)(6, 16)(7, 8)(9, 11)(12, 13)\)
\( (1, 4)(2, 8)(3, 9)(5, 11)(7, 14)(10, 15)\)
\((1, 6)(2, 4)(3, 13)(5, 12)(7, 9)(8, 11)(10, 16)(14, 15)\)
Hyperelliptic Genus-7-32-39.htm
21 (28,3) (2,2,2,14)
\( (1, 2)(3, 4)(5, 7)(6, 8)(9, 11)(10, 12)(13, 14) \)
\( (1, 12)(2, 10)(3, 8)(4, 6)(5, 14)(7, 13)(9, 11) \)
\( (1, 4)(2, 3)(5, 8)(6, 7)(9, 12)(10, 11)(13, 14) \)
Hyperelliptic Genus-7-28-3.htm