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
86436.3-h1
86436.3-h
$2$
$3$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
86436.3
\( 2^{2} \cdot 3^{2} \cdot 7^{4} \)
\( 2^{6} \cdot 3^{6} \cdot 7^{4} \)
$2.65383$
$(-2a+1), (-3a+1), (3a-2), (2)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B[2]
$1$
\( 2 \cdot 3 \)
$0.213735627$
$1.498465456$
4.437866884
\( -\frac{67645179}{8} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -93\) , \( -323\bigr] \)
${y}^2+{x}{y}={x}^{3}-{x}^{2}-93{x}-323$
15876.2-d1
15876.2-d
$2$
$3$
\(\Q(\sqrt{-7}) \)
$2$
$[0, 1]$
15876.2
\( 2^{2} \cdot 3^{4} \cdot 7^{2} \)
\( 2^{6} \cdot 3^{6} \cdot 7^{4} \)
$2.65383$
$(a), (-a+1), (-2a+1), (3)$
$1$
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B.1.1
$1$
\( 2 \cdot 3 \)
$1.646058679$
$1.498465456$
2.486060889
\( -\frac{67645179}{8} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -93\) , \( -323\bigr] \)
${y}^2+{x}{y}={x}^{3}-{x}^{2}-93{x}-323$
882.1-b1
882.1-b
$2$
$3$
\(\Q(\sqrt{-21}) \)
$2$
$[0, 1]$
882.1
\( 2 \cdot 3^{2} \cdot 7^{2} \)
\( 2^{6} \cdot 3^{6} \cdot 7^{4} \)
$4.46319$
$(2,a+1), (3,a), (7,a)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B
$4$
\( 2^{2} \)
$1$
$1.498465456$
5.231871529
\( -\frac{67645179}{8} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -93\) , \( -323\bigr] \)
${y}^2+{x}{y}={x}^3-{x}^2-93{x}-323$
1764.1-b1
1764.1-b
$2$
$3$
\(\Q(\sqrt{21}) \)
$2$
$[2, 0]$
1764.1
\( 2^{2} \cdot 3^{2} \cdot 7^{2} \)
\( 2^{6} \cdot 3^{6} \cdot 7^{4} \)
$2.65383$
$(-a+2), (a+3), (2)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B.1.2
$1$
\( 2^{2} \cdot 3^{2} \)
$1$
$0.590274639$
4.637105514
\( -\frac{67645179}{8} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -93\) , \( -323\bigr] \)
${y}^2+{x}{y}={x}^{3}-{x}^{2}-93{x}-323$
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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.