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
729.1-c2
729.1-c
$2$
$3$
\(\Q(\sqrt{5}) \)
$2$
$[2, 0]$
729.1
\( 3^{6} \)
\( - 3^{6} \)
$1.03826$
$(3)$
0
$\Z/3\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B.1.1
$1$
\( 1 \)
$1$
$25.72771921$
1.278420645
\( -72927 a + 119583 \)
\( \bigl[1\) , \( -1\) , \( \phi\) , \( \phi\) , \( -\phi\bigr] \)
${y}^2+{x}{y}+\phi{y}={x}^{3}-{x}^{2}+\phi{x}-\phi$
729.1-g2
729.1-g
$2$
$3$
\(\Q(\sqrt{5}) \)
$2$
$[2, 0]$
729.1
\( 3^{6} \)
\( - 3^{18} \)
$1.03826$
$(3)$
$1$
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$3$
3B.1.2
$1$
\( 3 \)
$0.093656179$
$4.848975052$
1.218576037
\( -72927 a + 119583 \)
\( \bigl[1\) , \( -1\) , \( \phi + 1\) , \( 13 \phi - 2\) , \( 6 \phi - 6\bigr] \)
${y}^2+{x}{y}+\left(\phi+1\right){y}={x}^{3}-{x}^{2}+\left(13\phi-2\right){x}+6\phi-6$
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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.