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
92.1-a1
92.1-a
$2$
$2$
\(\Q(\sqrt{69}) \)
$2$
$[2, 0]$
92.1
\( 2^{2} \cdot 23 \)
\( 2^{20} \cdot 23^{2} \)
$2.29885$
$(-3a+13), (2)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2B
$4$
\( 2^{2} \cdot 5 \)
$1$
$1.747176977$
4.206707818
\( -\frac{116930169}{23552} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -10\) , \( -12\bigr] \)
${y}^2+{x}{y}={x}^{3}-{x}^{2}-10{x}-12$
92.1-d1
92.1-d
$2$
$2$
\(\Q(\sqrt{69}) \)
$2$
$[2, 0]$
92.1
\( 2^{2} \cdot 23 \)
\( 2^{20} \cdot 23^{2} \)
$2.29885$
$(-3a+13), (2)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2B
$1$
\( 2^{2} \cdot 5 \)
$0.099030484$
$13.22648541$
1.576844304
\( -\frac{116930169}{23552} \)
\( \bigl[a + 1\) , \( 0\) , \( 1\) , \( 766 a - 3546\) , \( -26752 a + 124504\bigr] \)
${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(766a-3546\right){x}-26752a+124504$
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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.