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
71148.2-g1
71148.2-g
$4$
$6$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
71148.2
\( 2^{2} \cdot 3 \cdot 7^{2} \cdot 11^{2} \)
\( 2^{4} \cdot 3^{4} \cdot 7^{6} \cdot 11^{12} \)
$2.52778$
$(-2a+1), (-3a+1), (3a-2), (2), (11)$
0
$\Z/6\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2, 3$
2B , 3B.1.1[2]
$1$
\( 2^{4} \cdot 3^{3} \)
$1$
$0.249083709$
3.451405122
\( -\frac{61653281712625}{21875235228} \)
\( \bigl[a + 1\) , \( -a\) , \( 0\) , \( -823 a + 823\) , \( -11611\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}-a{x}^{2}+\left(-823a+823\right){x}-11611$
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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.