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
75.1-a6
75.1-a
$8$
$16$
\(\Q(\sqrt{-33}) \)
$2$
$[0, 1]$
75.1
\( 3 \cdot 5^{2} \)
\( 3^{28} \cdot 5^{4} \)
$3.02128$
$(3,a), (5)$
$1$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2Cs
$4$
\( 2^{5} \)
$2.248976610$
$1.117850856$
7.002156534
\( \frac{272223782641}{164025} \)
\( \bigl[1\) , \( -1\) , \( 0\) , \( -1215\) , \( 16600\bigr] \)
${y}^2+{x}{y}={x}^3-{x}^2-1215{x}+16600$
75.1-b6
75.1-b
$8$
$16$
\(\Q(\sqrt{-33}) \)
$2$
$[0, 1]$
75.1
\( 3 \cdot 5^{2} \)
\( 3^{28} \cdot 5^{4} \)
$3.02128$
$(3,a), (5)$
$2$
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2Cs
$4$
\( 2^{2} \)
$8.665669460$
$1.117850856$
6.745109504
\( \frac{272223782641}{164025} \)
\( \bigl[a\) , \( 0\) , \( a\) , \( -1176\) , \( -12967\bigr] \)
${y}^2+a{x}{y}+a{y}={x}^3-1176{x}-12967$
75.1-c6
75.1-c
$8$
$16$
\(\Q(\sqrt{-33}) \)
$2$
$[0, 1]$
75.1
\( 3 \cdot 5^{2} \)
\( 3^{16} \cdot 5^{4} \)
$3.02128$
$(3,a), (5)$
0
$\Z/2\Z\oplus\Z/2\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2Cs
$16$
\( 2^{2} \)
$1$
$1.117850856$
0.778371427
\( \frac{272223782641}{164025} \)
\( \bigl[1\) , \( 1\) , \( 1\) , \( -135\) , \( -660\bigr] \)
${y}^2+{x}{y}+{y}={x}^3+{x}^2-135{x}-660$
75.1-d6
75.1-d
$8$
$16$
\(\Q(\sqrt{-33}) \)
$2$
$[0, 1]$
75.1
\( 3 \cdot 5^{2} \)
\( 3^{16} \cdot 5^{4} \)
$3.02128$
$(3,a), (5)$
$1$
$\Z/2\Z\oplus\Z/4\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$2$
2Cs
$4$
\( 2^{5} \)
$4.676439788$
$1.117850856$
3.640007112
\( \frac{272223782641}{164025} \)
\( \bigl[a\) , \( 1\) , \( a\) , \( -101\) , \( 924\bigr] \)
${y}^2+a{x}{y}+a{y}={x}^3+{x}^2-101{x}+924$
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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.