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Label Class Conductor Rank* Torsion $\textrm{End}^0(J_{\overline\Q})$ Igusa-Clebsch invariants Igusa invariants G2-invariants Equation
324.a.648.1 324.a \( 2^{2} \cdot 3^{4} \) $0$ $\Z/21\Z$ \(\mathrm{M}_2(\Q)\) $[60,945,2295,82944]$ $[15,-30,140,300,648]$ $[\frac{9375}{8},-\frac{625}{4},\frac{875}{18}]$ $y^2 + (x^3 + x + 1)y = x^5 + 2x^4 + 2x^3 + x^2$
784.c.614656.1 784.c \( 2^{4} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/2\Z$ \(\mathrm{M}_2(\Q)\) $[398,9016,912086,2401]$ $[796,2358,-2348,-1857293,614656]$ $[\frac{1248318403996}{2401},\frac{9291226221}{4802},-\frac{23245787}{9604}]$ $y^2 = x^5 - 4x^4 - 13x^3 - 9x^2 - x$
1296.a.20736.1 1296.a \( 2^{4} \cdot 3^{4} \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\mathrm{M}_2(\Q)\) $[78,216,4806,81]$ $[156,438,-428,-64653,20736]$ $[4455516,\frac{160381}{2},-\frac{18083}{36}]$ $y^2 = x^5 - x^4 - 3x^3 + 4x^2 - x$
12544.i.614656.1 12544.i \( 2^{8} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/2\Z$ \(\mathrm{M}_2(\Q)\) $[398,9016,912086,2401]$ $[796,2358,-2348,-1857293,614656]$ $[\frac{1248318403996}{2401},\frac{9291226221}{4802},-\frac{23245787}{9604}]$ $y^2 = x^5 + 4x^4 - 13x^3 + 9x^2 - x$
15876.b.222264.1 15876.b \( 2^{2} \cdot 3^{4} \cdot 7^{2} \) $0$ $\Z/3\Z$ \(\mathrm{M}_2(\Q)\) $[636,6129,310743,28449792]$ $[159,798,16268,487452,222264]$ $[\frac{1254586479}{2744},\frac{2828663}{196},\frac{233147}{126}]$ $y^2 + (x^3 + x + 1)y = -x^6 + 2x^5 - 4x^4 + 4x^3 - 5x^2 + 2x - 1$
20736.a.20736.1 20736.a \( 2^{8} \cdot 3^{4} \) $0$ $\Z/2\Z\oplus\Z/2\Z$ \(\mathrm{M}_2(\Q)\) $[78,216,4806,81]$ $[156,438,-428,-64653,20736]$ $[4455516,\frac{160381}{2},-\frac{18083}{36}]$ $y^2 = x^5 + x^4 - 3x^3 - 4x^2 - x$
202500.a.405000.1 202500.a \( 2^{2} \cdot 3^{4} \cdot 5^{4} \) $2$ $\mathsf{trivial}$ \(\mathrm{M}_2(\Q)\) $[804,72225,13647825,-51840000]$ $[201,-1326,-2732,-576852,-405000]$ $[-\frac{4050375321}{5000},\frac{66468623}{2500},\frac{3065987}{11250}]$ $y^2 + (x^3 + x + 1)y = -2x^5 + 6x^4 - 6x^3$
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