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
44.3-b1
44.3-b
$2$
$5$
4.4.8000.1
$4$
$[4, 0]$
44.3
\( 2^{2} \cdot 11 \)
\( 2^{4} \cdot 11 \)
$12.82671$
$(a+1), (a^2+a-4)$
$0 \le r \le 1$
$\Z/5\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$5$
5B.1.1[2]
\( 2 \)
$1$
$250.6449213$
3.181808836
\( \frac{31722973582405}{22} a^{3} - \frac{170669220228365}{44} a^{2} - \frac{87680142539395}{22} a + \frac{117929530762829}{11} \)
\( \bigl[\frac{1}{2} a^{2} - 3\) , \( -\frac{1}{2} a^{3} + \frac{1}{2} a^{2} + 2 a - 2\) , \( \frac{1}{2} a^{3} + \frac{1}{2} a^{2} - 2 a - 3\) , \( -\frac{3}{2} a^{3} - \frac{3}{2} a^{2} + 3 a + 3\) , \( -25 a^{3} - \frac{133}{2} a^{2} + 68 a + 182\bigr] \)
${y}^2+\left(\frac{1}{2}a^{2}-3\right){x}{y}+\left(\frac{1}{2}a^{3}+\frac{1}{2}a^{2}-2a-3\right){y}={x}^{3}+\left(-\frac{1}{2}a^{3}+\frac{1}{2}a^{2}+2a-2\right){x}^{2}+\left(-\frac{3}{2}a^{3}-\frac{3}{2}a^{2}+3a+3\right){x}-25a^{3}-\frac{133}{2}a^{2}+68a+182$
44.3-c2
44.3-c
$2$
$5$
4.4.8000.1
$4$
$[4, 0]$
44.3
\( 2^{2} \cdot 11 \)
\( 2^{4} \cdot 11 \)
$12.82671$
$(a+1), (a^2+a-4)$
0
$\mathsf{trivial}$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
$5$
5B.1.4[2]
$1$
\( 2 \)
$1$
$78.70372532$
1.759868799
\( \frac{31722973582405}{22} a^{3} - \frac{170669220228365}{44} a^{2} - \frac{87680142539395}{22} a + \frac{117929530762829}{11} \)
\( \bigl[a + 1\) , \( -\frac{1}{2} a^{3} - \frac{1}{2} a^{2} + 4 a + 3\) , \( \frac{1}{2} a^{2} - 3\) , \( \frac{19}{2} a^{3} + \frac{29}{2} a^{2} - 67 a - 106\) , \( -105 a^{3} - 175 a^{2} + 761 a + 1265\bigr] \)
${y}^2+\left(a+1\right){x}{y}+\left(\frac{1}{2}a^{2}-3\right){y}={x}^{3}+\left(-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}+4a+3\right){x}^{2}+\left(\frac{19}{2}a^{3}+\frac{29}{2}a^{2}-67a-106\right){x}-105a^{3}-175a^{2}+761a+1265$
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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.