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
676.2-b1
676.2-b
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
676.2
\( 2^{2} \cdot 13^{2} \)
\( 2^{18} \cdot 13^{2} \)
$0.78920$
$(-4a+1), (4a-3), (2)$
0
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$3$
3B.1.1[2]
$1$
\( 3^{2} \)
$1$
$0.896934130$
1.035690323
\( -\frac{10730978619193}{6656} \)
\( \bigl[1\) , \( 0\) , \( 1\) , \( -460\) , \( -3830\bigr] \)
${y}^2+{x}{y}+{y}={x}^{3}-460{x}-3830$
8788.2-a1
8788.2-a
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
8788.2
\( 2^{2} \cdot 13^{3} \)
\( 2^{18} \cdot 13^{8} \)
$1.49855$
$(-4a+1), (4a-3), (2)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B[2]
$1$
\( 2^{2} \)
$0.784756442$
$0.248764769$
1.803362851
\( -\frac{10730978619193}{6656} \)
\( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 6892 a - 3217\) , \( -137871 a - 65106\bigr] \)
${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(6892a-3217\right){x}-137871a-65106$
8788.3-a1
8788.3-a
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
8788.3
\( 2^{2} \cdot 13^{3} \)
\( 2^{18} \cdot 13^{8} \)
$1.49855$
$(-4a+1), (4a-3), (2)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B[2]
$1$
\( 2^{2} \)
$0.784756442$
$0.248764769$
1.803362851
\( -\frac{10730978619193}{6656} \)
\( \bigl[a\) , \( -a\) , \( 1\) , \( -6893 a + 3676\) , \( 137871 a - 202977\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-6893a+3676\right){x}+137871a-202977$
43264.2-f1
43264.2-f
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
43264.2
\( 2^{8} \cdot 13^{2} \)
\( 2^{42} \cdot 13^{2} \)
$2.23219$
$(-4a+1), (4a-3), (2)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B[2]
$9$
\( 2^{2} \)
$0.166288191$
$0.224233532$
3.100015278
\( -\frac{10730978619193}{6656} \)
\( \bigl[0\) , \( -1\) , \( 0\) , \( -7352\) , \( 245104\bigr] \)
${y}^2={x}^{3}-{x}^{2}-7352{x}+245104$
114244.3-j1
114244.3-j
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
114244.3
\( 2^{2} \cdot 13^{4} \)
\( 2^{18} \cdot 13^{14} \)
$2.84549$
$(-4a+1), (4a-3), (2)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B[2]
$1$
\( 2^{2} \cdot 3^{2} \)
$1$
$0.068994933$
2.868065512
\( -\frac{10730978619193}{6656} \)
\( \bigl[a + 1\) , \( -a\) , \( 0\) , \( -77659 a + 77659\) , \( -8336303\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}-a{x}^{2}+\left(-77659a+77659\right){x}-8336303$
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Pari/GP
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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.