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
8281.5-a5
8281.5-a
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
8281.5
\( 7^{2} \cdot 13^{2} \)
\( 7^{2} \cdot 13^{10} \)
$1.47645$
$(-3a+1), (3a-2), (-4a+1), (4a-3)$
$1$
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$3$
3B.1.1[2]
$1$
\( 3^{2} \)
$1.059245086$
$0.486651176$
1.190456688
\( \frac{1548384163323379712}{74231495611} a + \frac{476450483012337664}{10604499373} \)
\( \bigl[0\) , \( -a\) , \( 1\) , \( 1273 a - 503\) , \( 9086 a + 7469\bigr] \)
${y}^2+{y}={x}^{3}-a{x}^{2}+\left(1273a-503\right){x}+9086a+7469$
107653.6-b4
107653.6-b
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
107653.6
\( 7^{2} \cdot 13^{3} \)
\( 7^{2} \cdot 13^{16} \)
$2.80353$
$(-3a+1), (3a-2), (-4a+1), (4a-3)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B[2]
$9$
\( 2^{2} \)
$1$
$0.134972751$
5.610711915
\( \frac{1548384163323379712}{74231495611} a + \frac{476450483012337664}{10604499373} \)
\( \bigl[0\) , \( a\) , \( 1\) , \( -2641 a + 15571\) , \( 753091 a - 215691\bigr] \)
${y}^2+{y}={x}^{3}+a{x}^{2}+\left(-2641a+15571\right){x}+753091a-215691$
107653.7-b4
107653.7-b
$5$
$9$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
107653.7
\( 7^{2} \cdot 13^{3} \)
\( 7^{2} \cdot 13^{16} \)
$2.80353$
$(-3a+1), (3a-2), (-4a+1), (4a-3)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B[2]
$9$
\( 2^{2} \)
$1$
$0.134972751$
5.610711915
\( \frac{1548384163323379712}{74231495611} a + \frac{476450483012337664}{10604499373} \)
\( \bigl[0\) , \( -a + 1\) , \( 1\) , \( -15069 a + 13700\) , \( -99361 a + 709264\bigr] \)
${y}^2+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-15069a+13700\right){x}-99361a+709264$
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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.