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Label Class Conductor Rank* Torsion $\textrm{End}^0(J_{\overline\Q})$ Igusa-Clebsch invariants Igusa invariants G2-invariants Equation
3969.a.3969.1 3969.a \( 3^{4} \cdot 7^{2} \) $1$ $\mathsf{trivial}$ \(\Q\) $[2628,11025,9519993,508032]$ $[657,17526,608080,23086971,3969]$ $[\frac{1511269191297}{49},\frac{61361207478}{49},\frac{3240458320}{49}]$ $y^2 + (x^3 + x + 1)y = 2x^5 - 6x^3 + 2x^2 + x - 1$
3969.b.35721.1 3969.b \( 3^{4} \cdot 7^{2} \) $2$ $\mathsf{trivial}$ \(\mathrm{M}_2(\Q)\) $[268,2961,216951,18816]$ $[201,573,-563,-110373,35721]$ $[\frac{1350125107}{147},\frac{57445733}{441},-\frac{2527307}{3969}]$ $y^2 + (x^3 + x + 1)y = -2x^5 + 3x^4 - 3x^2$
3969.c.35721.1 3969.c \( 3^{4} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/2\Z$ \(\mathrm{M}_2(\Q)\) $[268,2961,216951,18816]$ $[201,573,-563,-110373,35721]$ $[\frac{1350125107}{147},\frac{57445733}{441},-\frac{2527307}{3969}]$ $y^2 + (x^2 + x)y = x^5 - 5x^4 + 4x^3 - x$
3969.d.250047.1 3969.d \( 3^{4} \cdot 7^{2} \) $0$ $\Z/2\Z\oplus\Z/6\Z$ \(\mathrm{M}_2(\Q)\) $[452,-15543,-660459,131712]$ $[339,10617,-211009,-46063185,250047]$ $[\frac{18424351793}{1029},\frac{5106412483}{3087},-\frac{2694373921}{27783}]$ $y^2 + (x^2 + x + 1)y = -3x^5 + 5x^4 - 4x^3 + x$
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