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-a2
24.1-a
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{8} \cdot 3^{2} \)
$2.16662$
$(2,a), (3,a)$
0
$\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$4$
\( 2^{2} \)
$1$
$7.270694035$
1.327441044
\( \frac{2048}{3} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( 1\) , \( 0\bigr] \)
${y}^2={x}^3-{x}^2+{x}$
24.1-b2
24.1-b
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{8} \cdot 3^{14} \)
$2.16662$
$(2,a), (3,a)$
$1$
$\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2^{3} \)
$2.249823046$
$7.270694035$
2.986507453
\( \frac{2048}{3} \)
\( \bigl[0\) , \( 0\) , \( 0\) , \( 6\) , \( -7\bigr] \)
${y}^2={x}^3+6{x}-7$
24.1-c2
24.1-c
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{8} \cdot 3^{2} \cdot 5^{12} \)
$2.16662$
$(2,a), (3,a)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2^{3} \)
$1$
$7.270694035$
2.654882088
\( \frac{2048}{3} \)
\( \bigl[0\) , \( 1\) , \( 0\) , \( 17\) , \( 38\bigr] \)
${y}^2={x}^3+{x}^2+17{x}+38$
24.1-d2
24.1-d
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
24.1
\( 2^{3} \cdot 3 \)
\( 2^{20} \cdot 3^{2} \)
$2.16662$
$(2,a), (3,a)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2^{2} \)
$1.665930347$
$7.270694035$
4.422848640
\( \frac{2048}{3} \)
\( \bigl[0\) , \( 1\) , \( 0\) , \( 3\) , \( 3\bigr] \)
${y}^2={x}^3+{x}^2+3{x}+3$
48.1-a2
48.1-a
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
48.1
\( 2^{4} \cdot 3 \)
\( 2^{8} \cdot 3^{2} \cdot 5^{12} \)
$2.57656$
$(2,a), (3,a)$
$2$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2 \)
$1.615637236$
$7.270694035$
4.289326359
\( \frac{2048}{3} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( 17\) , \( -38\bigr] \)
${y}^2={x}^3-{x}^2+17{x}-38$
48.1-b2
48.1-b
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
48.1
\( 2^{4} \cdot 3 \)
\( 2^{20} \cdot 3^{2} \)
$2.57656$
$(2,a), (3,a)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$4$
\( 2 \)
$1$
$7.270694035$
2.654882088
\( \frac{2048}{3} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( 3\) , \( -3\bigr] \)
${y}^2={x}^3-{x}^2+3{x}-3$
48.1-c2
48.1-c
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
48.1
\( 2^{4} \cdot 3 \)
\( 2^{8} \cdot 3^{2} \)
$2.57656$
$(2,a), (3,a)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2 \)
$2.841664688$
$7.270694035$
3.772142340
\( \frac{2048}{3} \)
\( \bigl[0\) , \( 1\) , \( 0\) , \( 1\) , \( 0\bigr] \)
${y}^2={x}^3+{x}^2+{x}$
48.1-d2
48.1-d
$6$
$8$
\(\Q(\sqrt{-30}) \)
$2$
$[0, 1]$
48.1
\( 2^{4} \cdot 3 \)
\( 2^{8} \cdot 3^{14} \)
$2.57656$
$(2,a), (3,a)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cs
$1$
\( 2 \)
$4.274166887$
$7.270694035$
5.673704555
\( \frac{2048}{3} \)
\( \bigl[0\) , \( 0\) , \( 0\) , \( 6\) , \( 7\bigr] \)
${y}^2={x}^3+6{x}+7$
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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.