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
441.1-a2
441.1-a
$2$
$2$
\(\Q(\sqrt{6}) \)
$2$
$[2, 0]$
441.1
\( 3^{2} \cdot 7^{2} \)
\( 3^{8} \cdot 7^{4} \)
$2.00611$
$(a+3), (7)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{2} \)
$1.206316332$
$12.02190249$
5.920505431
\( \frac{31456000}{21} a + \frac{541624000}{147} \)
\( \bigl[a\) , \( a\) , \( 1\) , \( 353 a - 861\) , \( 5203 a - 12743\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}+a{x}^{2}+\left(353a-861\right){x}+5203a-12743$
441.1-c2
441.1-c
$2$
$2$
\(\Q(\sqrt{6}) \)
$2$
$[2, 0]$
441.1
\( 3^{2} \cdot 7^{2} \)
\( 3^{8} \cdot 7^{4} \)
$2.00611$
$(a+3), (7)$
$1$
$\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
$2$
2B
$1$
\( 2^{2} \)
$0.537868749$
$7.293984436$
1.601642260
\( \frac{31456000}{21} a + \frac{541624000}{147} \)
\( \bigl[a\) , \( a\) , \( 1\) , \( -2 a - 21\) , \( -27 a - 34\bigr] \)
${y}^2+a{x}{y}+{y}={x}^{3}+a{x}^{2}+\left(-2a-21\right){x}-27a-34$
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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.