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
14308.2-a1
14308.2-a
$2$
$2$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
14308.2
\( 2^{2} \cdot 7^{2} \cdot 73 \)
\( 2^{2} \cdot 7^{10} \cdot 73^{2} \)
$1.69275$
$(-3a+1), (9a-8), (2)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{3} \)
$1$
$1.030019570$
2.378728304
\( -\frac{146913674955}{25589858} a - \frac{392373898517}{25589858} \)
\( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( 83 a - 62\) , \( 288 a - 84\bigr] \)
${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(83a-62\right){x}+288a-84$
14308.2-a2
14308.2-a
$2$
$2$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
14308.2
\( 2^{2} \cdot 7^{2} \cdot 73 \)
\( 2^{4} \cdot 7^{8} \cdot 73 \)
$1.69275$
$(-3a+1), (9a-8), (2)$
0
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{2} \)
$1$
$2.060039140$
2.378728304
\( \frac{20198991}{14308} a - \frac{3200392}{3577} \)
\( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( 3 a - 12\) , \( -6 a + 14\bigr] \)
${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(3a-12\right){x}-6a+14$
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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.