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
17.1-a1
17.1-a
$2$
$3$
\(\Q(\sqrt{13}) \)
$2$
$[2, 0]$
17.1
\( 17 \)
\( 17^{3} \)
$0.65422$
$(a+4)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B.1.2
$1$
\( 1 \)
$1$
$2.471623008$
0.685504883
\( -\frac{2659135311872}{4913} a - \frac{3464252149760}{4913} \)
\( \bigl[0\) , \( 1\) , \( a\) , \( -9 a + 18\) , \( 12 a - 32\bigr] \)
${y}^2+a{y}={x}^{3}+{x}^{2}+\left(-9a+18\right){x}+12a-32$
17.1-a2
17.1-a
$2$
$3$
\(\Q(\sqrt{13}) \)
$2$
$[2, 0]$
17.1
\( 17 \)
\( 17 \)
$0.65422$
$(a+4)$
0
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B.1.1
$1$
\( 1 \)
$1$
$22.24460707$
0.685504883
\( \frac{4096}{17} a - \frac{20480}{17} \)
\( \bigl[0\) , \( 1\) , \( a\) , \( a - 2\) , \( -a + 1\bigr] \)
${y}^2+a{y}={x}^{3}+{x}^{2}+\left(a-2\right){x}-a+1$
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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.