LMFDB - Elliptic curves over $\Q(\sqrt{-67}) $ of conductor 67.1

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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
67.1-a1	67.1-a	$1$	$1$	$\Q(\sqrt{-67}) $	$2$	$[0, 1]$	67.1	$ 67 $	$ 67^{2} $	$2.09264$	$(-2a+1)$	0	$\mathsf{trivial}$	$\textsf{no}$		$\mathrm{SU}(2)$	✓	✓	✓		$2$	2Cn	$1$	$ 2 $	$1$	$3.859482961$	1.886043555	$ -\frac{207474688}{67} $	$ \bigl[0$ , $ 1$ , $ 1$ , $ -12$ , $ -21\bigr] $	${y}^2+{y}={x}^3+{x}^2-12{x}-21$

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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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