LMFDB - Elliptic curves over $\Q(\sqrt{-3}) $ of conductor 961.1

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Base field	Conductor norm	Rank*	Torsion order	CM discriminant

Base field degree/signature	Bad $p$	$\Q$-curves	Torsion structure	CM

Analytic order of Ш*	Cyclic isogeny degree	Isogeny class size	Reduction	Galois image

j-invariant	Regulator*	Curves per isogeny class	Isogeny class degree	Nonmax$\ \ell$

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Label	Class	Class size	Class degree	Base field	Field degree	Field signature	Conductor	Conductor norm	Discriminant norm	Root analytic conductor	Bad primes	Rank	Torsion	CM	CM	Sato-Tate	$\Q$-curve	Base change	Semistable	Potentially good	Nonmax $\ell$	mod-$\ell$ images	$Ш_{\textrm{an}}$	Tamagawa	Regulator	Period	Leading coeff	j-invariant	Weierstrass coefficients	Weierstrass equation
961.1-CMa1	961.1-CMa	$1$	$1$	$\Q(\sqrt{-3}) $	$2$	$[0, 1]$	961.1	$ 31^{2} $	$ 31^{10} $	$0.86175$	$(-6a+1)$	0	$\mathsf{trivial}$	$\textsf{yes}$	$-3$	$\mathrm{U}(1)$	✓			✓	$31$	31Cs.2.1	$1$	$ 1 $	$1$	$0.802983472$	0.927205448	$ 0 $	$ \bigl[0$ , $ a + 1$ , $ 1$ , $ a$ , $ 287 a - 76\bigr] $	${y}^2+{y}={x}^{3}+\left(a+1\right){x}^{2}+a{x}+287a-76$

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*The rank, regulator and analytic order of Ш are not known for all curves in the database; curves for which these are unknown will not appear in searches specifying one of these quantities.

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This project is supported by grants from the US National Science Foundation, the UK Engineering and Physical Sciences Research Council, and the Simons Foundation.