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
50.3-h2
50.3-h
$2$
$5$
\(\Q(\sqrt{26}) \)
$2$
$[2, 0]$
50.3
\( 2 \cdot 5^{2} \)
\( 2^{10} \cdot 5^{4} \)
$2.42325$
$(2,a), (5,a+1)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
$5$
5B
$1$
\( 2 \)
$3.511784464$
$1.674978377$
2.307174164
\( \frac{111124542183}{16} a - \frac{1133252415859}{32} \)
\( \bigl[a + 1\) , \( 1\) , \( 0\) , \( 45 a + 237\) , \( 1808 a + 9221\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}+{x}^{2}+\left(45a+237\right){x}+1808a+9221$
50.3-i2
50.3-i
$2$
$5$
\(\Q(\sqrt{26}) \)
$2$
$[2, 0]$
50.3
\( 2 \cdot 5^{2} \)
\( 2^{22} \cdot 5^{4} \)
$2.42325$
$(2,a), (5,a+1)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
$5$
5B
$1$
\( 2 \cdot 3 \cdot 5 \)
$1$
$1.674978377$
4.927354287
\( \frac{111124542183}{16} a - \frac{1133252415859}{32} \)
\( \bigl[a\) , \( a\) , \( a\) , \( 174 a + 869\) , \( 13933 a + 71030\bigr] \)
${y}^2+a{x}{y}+a{y}={x}^{3}+a{x}^{2}+\left(174a+869\right){x}+13933a+71030$
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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.