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Conductor	Absolute discriminant	Rational points*	Weierstrass points	Torsion order

Bad $p$	2-Selmer rank	Analytic rank*	Analytic Ш*	Torsion

$\Q$ -end algebra	$\mathrm{ST}(X)$	$\mathrm{Aut}(X)$	Square Ш*	$\overline{\Q}$ -simple

$\overline{\Q}$ -end algebra	$\mathrm{ST}^0(X)$	$\mathrm{Aut}(X_{\overline{\Q}})$	Locally solvable	$\GL_2$ -type

Galois image	Nonmax $\ \ell$

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Label	Class	Conductor	Discriminant	Rank*	2-Selmer rank	Torsion	$\textrm{End}^0(J_{\overline\Q})$	$\textrm{End}^0(J)$	$\GL_2\textsf{-type}$	Sato-Tate	Nonmaximal primes	$\Q$ -simple	$\overline{\Q}$ -simple	$\Aut(X)$	$\Aut(X_{\overline{\Q}})$	$\Q$ -points	$\Q$ -Weierstrass points	mod- $\ell$ images	Locally solvable	Square Ш*	Analytic Ш*	Tamagawa	Regulator	Real period	Leading coefficient	Igusa-Clebsch invariants	Igusa invariants	G2-invariants	Equation
19862.a.158896.1	19862.a	$2 \cdot 9931$	$- 2^{4} \cdot 9931$	$1$	$1$	$\mathsf{trivial}$	$\Q$	$\Q$		$\mathrm{USp}(4)$	$2$	✓	✓	$C_2$	$C_2$	$5$	$1$	2.6.1	✓	✓	$1$	$2^{2}$	$0.016901$	$13.525503$	$0.914370$	$[216,-16404,-687951,635584]$	$[108,3220,-2665,-2664055,158896]$	$[918330048/9931,253517040/9931,-1942785/9931]$	$y^2 + (x^3 + x)y = -2x^4 - 3x + 1$

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