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
9.1-a1
9.1-a
$1$
$1$
\(\Q(\sqrt{269}) \)
$2$
$[2, 0]$
9.1
\( 3^{2} \)
\( 3^{4} \)
$2.53849$
$(3)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
$2$
2Cn
$1$
\( 2 \)
$1$
$46.51073359$
5.671618953
\( \frac{32768}{9} \)
\( \bigl[0\) , \( a - 1\) , \( 1\) , \( 1093 a - 9490\) , \( -44015 a + 382974\bigr] \)
${y}^2+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(1093a-9490\right){x}-44015a+382974$
11.1-a1
11.1-a
$1$
$1$
\(\Q(\sqrt{269}) \)
$2$
$[2, 0]$
11.1
\( 11 \)
\( 11^{5} \)
$2.66909$
$(-a+8)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$4$
\( 1 \)
$1$
$4.226806287$
1.030851710
\( \frac{109934875}{161051} a - \frac{956522250}{161051} \)
\( \bigl[a + 1\) , \( -a\) , \( 1\) , \( 12 a - 36\) , \( 189 a - 1524\bigr] \)
${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-a{x}^{2}+\left(12a-36\right){x}+189a-1524$
11.1-b1
11.1-b
$1$
$1$
\(\Q(\sqrt{269}) \)
$2$
$[2, 0]$
11.1
\( 11 \)
\( 11 \)
$2.66909$
$(-a+8)$
$2$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 1 \)
$1.134449587$
$15.55158977$
4.302727522
\( \frac{1459}{11} a + \frac{5087}{11} \)
\( \bigl[a + 1\) , \( -a - 1\) , \( 1\) , \( -3 a + 85\) , \( -6 a + 150\bigr] \)
${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-3a+85\right){x}-6a+150$
11.2-a1
11.2-a
$1$
$1$
\(\Q(\sqrt{269}) \)
$2$
$[2, 0]$
11.2
\( 11 \)
\( 11^{5} \)
$2.66909$
$(-a-7)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$4$
\( 1 \)
$1$
$4.226806287$
1.030851710
\( -\frac{109934875}{161051} a - \frac{846587375}{161051} \)
\( \bigl[a\) , \( 0\) , \( 1\) , \( -13 a - 23\) , \( -189 a - 1335\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}+\left(-13a-23\right){x}-189a-1335$
11.2-b1
11.2-b
$1$
$1$
\(\Q(\sqrt{269}) \)
$2$
$[2, 0]$
11.2
\( 11 \)
\( 11 \)
$2.66909$
$(-a-7)$
$2$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 1 \)
$1.134449587$
$15.55158977$
4.302727522
\( -\frac{1459}{11} a + \frac{6546}{11} \)
\( \bigl[a\) , \( -1\) , \( 1\) , \( 2 a + 83\) , \( 6 a + 144\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}-{x}^{2}+\left(2a+83\right){x}+6a+144$
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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.