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
361.2-a3
361.2-a
$3$
$9$
\(\Q(\sqrt{-10}) \)
$2$
$[0, 1]$
361.2
\( 19^{2} \)
\( 2^{12} \cdot 19^{2} \)
$2.46346$
$(a+3), (a-3)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$3$
3Cs
$1$
\( 1 \)
$0.595904332$
$8.417781075$
3.172518514
\( \frac{32768}{19} \)
\( \bigl[0\) , \( 1\) , \( 0\) , \( 3\) , \( 1\bigr] \)
${y}^2={x}^3+{x}^2+3{x}+1$
361.2-b3
361.2-b
$3$
$9$
\(\Q(\sqrt{-10}) \)
$2$
$[0, 1]$
361.2
\( 19^{2} \)
\( 19^{2} \)
$2.46346$
$(a+3), (a-3)$
$1$
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$3$
3Cs.1.1
$1$
\( 1 \)
$6.006027384$
$8.417781075$
3.552813586
\( \frac{32768}{19} \)
\( \bigl[0\) , \( 1\) , \( 1\) , \( 1\) , \( 0\bigr] \)
${y}^2+{y}={x}^3+{x}^2+{x}$
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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.