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
98.1-a1
98.1-a
$6$
$18$
\(\Q(\sqrt{11}) \)
$2$
$[2, 0]$
98.1
\( 2 \cdot 7^{2} \)
\( 2^{36} \cdot 7^{2} \)
$1.86497$
$(a+3), (a+2), (a-2)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2, 3$
2B , 3B.1.2
$36$
\( 2 \)
$1$
$0.436190660$
1.183647893
\( -\frac{548347731625}{1835008} \)
\( \bigl[1\) , \( 0\) , \( 1\) , \( -171\) , \( -874\bigr] \)
${y}^2+{x}{y}+{y}={x}^{3}-171{x}-874$
98.1-b1
98.1-b
$6$
$18$
\(\Q(\sqrt{11}) \)
$2$
$[2, 0]$
98.1
\( 2 \cdot 7^{2} \)
\( 2^{36} \cdot 7^{2} \)
$1.86497$
$(a+3), (a+2), (a-2)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2, 3$
2B , 3B
$1$
\( 2^{2} \cdot 3^{2} \)
$0.210429933$
$7.027708105$
4.012983744
\( -\frac{548347731625}{1835008} \)
\( \bigl[a\) , \( 0\) , \( 0\) , \( -168\) , \( 704\bigr] \)
${y}^2+a{x}{y}={x}^{3}-168{x}+704$
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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.