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
9216.2-c1 9216.2-c $4$
$4$
\(\Q(\sqrt{-11}) \) $2$
$[0, 1]$
9216.2
\( 2^{10} \cdot 3^{2} \)
\( 2^{18} \cdot 3^{8} \)
$2.90383$
$(-a), (a-1), (2)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$ ✓
✓
$2$
2B $1$
\( 2^{2} \)
$1$
$2.345364298$
1.414307886
\( \frac{97336}{81} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( 8\) , \( -8\bigr] \) ${y}^2={x}^{3}-{x}^{2}+8{x}-8$
288.1-d1 288.1-d $4$
$4$
\(\Q(\sqrt{-22}) \) $2$
$[0, 1]$
288.1
\( 2^{5} \cdot 3^{2} \)
\( 2^{6} \cdot 3^{8} \)
$3.45325$
$(2,a), (3)$
0
$\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$ ✓
✓
$2$
2Cs $4$
\( 2^{3} \)
$1$
$4.690728597$
2.000133394
\( \frac{97336}{81} \)
\( \bigl[a\) , \( -1\) , \( 0\) , \( 16\) , \( -15\bigr] \) ${y}^2+a{x}{y}={x}^3-{x}^2+16{x}-15$
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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.
