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
24.1-a3
24.1-a
$6$
$8$
\(\Q(\sqrt{-69}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{4} \cdot 3^{4} \cdot 13^{12} \)
$3.28584$
$(2,a+1), (3,a)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$4$
\( 2^{2} \)
$3.035150282$
$7.270694035$
5.313265514
\( \frac{35152}{9} \)
\( \bigl[a + 1\) , \( -a + 1\) , \( 0\) , \( 27 a + 46\) , \( -49 a + 654\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^3+\left(-a+1\right){x}^2+\left(27a+46\right){x}-49a+654$
24.1-b3
24.1-b
$6$
$8$
\(\Q(\sqrt{-69}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{4} \cdot 3^{4} \cdot 13^{12} \)
$3.28584$
$(2,a+1), (3,a)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2^{3} \)
$8.682821893$
$7.270694035$
7.599975922
\( \frac{35152}{9} \)
\( \bigl[a + 1\) , \( 0\) , \( a + 1\) , \( 15 a + 91\) , \( -188 a - 538\bigr] \)
${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(15a+91\right){x}-188a-538$
24.1-c3
24.1-c
$6$
$8$
\(\Q(\sqrt{-69}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{16} \cdot 3^{4} \)
$3.28584$
$(2,a+1), (3,a)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2^{3} \)
$5.040044010$
$7.270694035$
4.411493590
\( \frac{35152}{9} \)
\( \bigl[0\) , \( 1\) , \( 0\) , \( -4\) , \( -4\bigr] \)
${y}^2={x}^3+{x}^2-4{x}-4$
24.1-d3
24.1-d
$6$
$8$
\(\Q(\sqrt{-69}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{16} \cdot 3^{4} \)
$3.28584$
$(2,a+1), (3,a)$
$1$
$\Z/2\Z\oplus\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$4$
\( 2^{2} \)
$4.499274317$
$7.270694035$
1.969081993
\( \frac{35152}{9} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( -4\) , \( 4\bigr] \)
${y}^2={x}^3-{x}^2-4{x}+4$
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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.