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
9900.5-k3
9900.5-k
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
9900.5
\( 2^{2} \cdot 3^{2} \cdot 5^{2} \cdot 11 \)
\( 2^{8} \cdot 3^{20} \cdot 5^{8} \cdot 11^{2} \)
$2.95627$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$2$
2Cs
$1$
\( 2^{10} \)
$0.229760737$
$0.290729869$
5.155954704
\( -\frac{430679515835908387}{118378482750000} a + \frac{176061193065969059}{19729747125000} \)
\( \bigl[a\) , \( -a + 1\) , \( a\) , \( -22 a + 829\) , \( 4807 a - 1323\bigr] \)
${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-22a+829\right){x}+4807a-1323$
49500.6-v3
49500.6-v
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
49500.6
\( 2^{2} \cdot 3^{2} \cdot 5^{3} \cdot 11 \)
\( 2^{8} \cdot 3^{20} \cdot 5^{14} \cdot 11^{2} \)
$4.42065$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2Cs
$1$
\( 2^{9} \)
$1.610206649$
$0.130018350$
8.079786671
\( -\frac{430679515835908387}{118378482750000} a + \frac{176061193065969059}{19729747125000} \)
\( \bigl[a + 1\) , \( a\) , \( 0\) , \( 2463 a - 1465\) , \( -40408 a - 49051\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}+a{x}^{2}+\left(2463a-1465\right){x}-40408a-49051$
49500.7-k3
49500.7-k
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
49500.7
\( 2^{2} \cdot 3^{2} \cdot 5^{3} \cdot 11 \)
\( 2^{8} \cdot 3^{20} \cdot 5^{14} \cdot 11^{2} \)
$4.42065$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2Cs
$1$
\( 2^{11} \cdot 3 \)
$0.130991620$
$0.130018350$
7.887566617
\( -\frac{430679515835908387}{118378482750000} a + \frac{176061193065969059}{19729747125000} \)
\( \bigl[1\) , \( -a + 1\) , \( a + 1\) , \( -2442 a + 633\) , \( -50026 a + 67587\bigr] \)
${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-2442a+633\right){x}-50026a+67587$
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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.