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-k1
9900.5-k
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
9900.5
\( 2^{2} \cdot 3^{2} \cdot 5^{2} \cdot 11 \)
\( 2^{16} \cdot 3^{10} \cdot 5^{4} \cdot 11^{4} \)
$2.95627$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$2$
2B
$1$
\( 2^{6} \)
$0.459521475$
$0.581459739$
5.155954704
\( \frac{3235796719033}{25404192000} a + \frac{20214965063}{8468064000} \)
\( \bigl[a\) , \( -a + 1\) , \( a\) , \( -22 a - 51\) , \( 407 a - 267\bigr] \)
${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-22a-51\right){x}+407a-267$
49500.6-v1
49500.6-v
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
49500.6
\( 2^{2} \cdot 3^{2} \cdot 5^{3} \cdot 11 \)
\( 2^{16} \cdot 3^{10} \cdot 5^{10} \cdot 11^{4} \)
$4.42065$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{9} \)
$0.805103324$
$0.260036700$
8.079786671
\( \frac{3235796719033}{25404192000} a + \frac{20214965063}{8468064000} \)
\( \bigl[a + 1\) , \( a\) , \( 0\) , \( -177 a + 295\) , \( -3624 a - 1707\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}+a{x}^{2}+\left(-177a+295\right){x}-3624a-1707$
49500.7-k1
49500.7-k
$4$
$4$
\(\Q(\sqrt{-11}) \)
$2$
$[0, 1]$
49500.7
\( 2^{2} \cdot 3^{2} \cdot 5^{3} \cdot 11 \)
\( 2^{16} \cdot 3^{10} \cdot 5^{10} \cdot 11^{4} \)
$4.42065$
$(-a), (a-1), (-a-1), (a-2), (-2a+1), (2)$
$1$
$\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{11} \cdot 3 \)
$0.065495810$
$0.260036700$
7.887566617
\( \frac{3235796719033}{25404192000} a + \frac{20214965063}{8468064000} \)
\( \bigl[1\) , \( -a + 1\) , \( a + 1\) , \( 198 a - 247\) , \( -3210 a + 6515\bigr] \)
${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(198a-247\right){x}-3210a+6515$
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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.