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
121.1-d2
121.1-d
$4$
$22$
\(\Q(\sqrt{33}) \)
$2$
$[2, 0]$
121.1
\( 11^{2} \)
\( - 11^{3} \)
$1.70252$
$(-4a-9)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2, 11$
2B , 11B.1.6
$1$
\( 2 \)
$1$
$7.057677431$
0.614291971
\( -357236 a + 1203885 \)
\( \bigl[1\) , \( -a\) , \( a\) , \( -3 a - 4\) , \( -5 a - 13\bigr] \)
${y}^2+{x}{y}+a{y}={x}^{3}-a{x}^{2}+\left(-3a-4\right){x}-5a-13$
121.1-f2
121.1-f
$4$
$22$
\(\Q(\sqrt{33}) \)
$2$
$[2, 0]$
121.1
\( 11^{2} \)
\( - 11^{9} \)
$1.70252$
$(-4a-9)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2, 11$
2B , 11B.10.5
$1$
\( 2 \)
$1$
$4.922210220$
0.428423408
\( -357236 a + 1203885 \)
\( \bigl[1\) , \( -a - 1\) , \( 0\) , \( 32 a - 106\) , \( 184 a - 613\bigr] \)
${y}^2+{x}{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(32a-106\right){x}+184a-613$
121.1-h2
121.1-h
$4$
$22$
\(\Q(\sqrt{33}) \)
$2$
$[2, 0]$
121.1
\( 11^{2} \)
\( - 11^{3} \)
$1.70252$
$(-4a-9)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2, 11$
2B , 11B.1.5
$1$
\( 2 \)
$1$
$37.76167025$
3.286731521
\( -357236 a + 1203885 \)
\( \bigl[1\) , \( 1\) , \( 0\) , \( 133 a - 448\) , \( -1359 a + 4583\bigr] \)
${y}^2+{x}{y}={x}^{3}+{x}^{2}+\left(133a-448\right){x}-1359a+4583$
121.1-i2
121.1-i
$4$
$22$
\(\Q(\sqrt{33}) \)
$2$
$[2, 0]$
121.1
\( 11^{2} \)
\( - 11^{9} \)
$1.70252$
$(-4a-9)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2, 11$
2B , 11B.10.5
$1$
\( 2 \)
$1$
$4.922210220$
0.428423408
\( -357236 a + 1203885 \)
\( \bigl[1\) , \( 0\) , \( a\) , \( -1381 a - 3275\) , \( -83691 a - 198540\bigr] \)
${y}^2+{x}{y}+a{y}={x}^{3}+\left(-1381a-3275\right){x}-83691a-198540$
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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.