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
$1$
$1$
\(\Q(\sqrt{393}) \)
$2$
$[2, 0]$
9.1
\( 3^{2} \)
\( 3^{9} \)
$3.06828$
$(-842a+8767)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 2 \)
$1$
$19.31615476$
1.948742231
\( -43563 a - 408459 \)
\( \bigl[a + 1\) , \( 0\) , \( a\) , \( -25675113778606 a + 267332206511615\) , \( 72944940012588806855 a - 759511016603567899154\bigr] \)
${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-25675113778606a+267332206511615\right){x}+72944940012588806855a-759511016603567899154$
9.1-b1
9.1-b
$1$
$1$
\(\Q(\sqrt{393}) \)
$2$
$[2, 0]$
9.1
\( 3^{2} \)
\( 3^{9} \)
$3.06828$
$(-842a+8767)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 2 \)
$1$
$4.828232283$
0.487104202
\( 43563 a - 452022 \)
\( \bigl[a\) , \( -a + 1\) , \( 1\) , \( -2 a + 120\) , \( 129 a - 1138\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-2a+120\right){x}+129a-1138$
9.1-c1
9.1-c
$1$
$1$
\(\Q(\sqrt{393}) \)
$2$
$[2, 0]$
9.1
\( 3^{2} \)
\( 3^{9} \)
$3.06828$
$(-842a+8767)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 2 \)
$1$
$19.31615476$
1.948742231
\( 43563 a - 452022 \)
\( \bigl[a\) , \( -a + 1\) , \( a + 1\) , \( 25675113778604 a + 241657092733010\) , \( -72944940012588806856 a - 686566076590979092299\bigr] \)
${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(25675113778604a+241657092733010\right){x}-72944940012588806856a-686566076590979092299$
9.1-d1
9.1-d
$1$
$1$
\(\Q(\sqrt{393}) \)
$2$
$[2, 0]$
9.1
\( 3^{2} \)
\( 3^{9} \)
$3.06828$
$(-842a+8767)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$1$
\( 2 \)
$1$
$4.828232283$
0.487104202
\( -43563 a - 408459 \)
\( \bigl[a + 1\) , \( 0\) , \( 1\) , \( a + 118\) , \( -129 a - 1009\bigr] \)
${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a+118\right){x}-129a-1009$
Download
displayed columns for
results
to
Text
Pari/GP
SageMath
Magma
Oscar
CSV
*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.