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 |
71.1-a1 |
71.1-a |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71 \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 1 \) |
$0.880646448$ |
$82.10556773$ |
3.695567517 |
\( \frac{337705309521}{71} a^{3} + \frac{407692977510}{71} a^{2} - \frac{2139474325813}{71} a - \frac{1682987986020}{71} \) |
\( \bigl[2 a^{3} + 3 a^{2} - 11 a - 11\) , \( 2 a^{3} + 3 a^{2} - 13 a - 12\) , \( 1\) , \( 9 a^{3} + 14 a^{2} - 49 a - 51\) , \( 16 a^{3} + 20 a^{2} - 90 a - 74\bigr] \) |
${y}^2+\left(2a^{3}+3a^{2}-11a-11\right){x}{y}+{y}={x}^{3}+\left(2a^{3}+3a^{2}-13a-12\right){x}^{2}+\left(9a^{3}+14a^{2}-49a-51\right){x}+16a^{3}+20a^{2}-90a-74$ |
71.1-b1 |
71.1-b |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71^{3} \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 3 \) |
$0.278940957$ |
$74.56956939$ |
3.189349568 |
\( \frac{40567729198}{357911} a^{3} - \frac{18573487223}{357911} a^{2} - \frac{289892232122}{357911} a + \frac{246977548593}{357911} \) |
\( \bigl[1\) , \( 2 a^{3} + 3 a^{2} - 11 a - 12\) , \( a^{3} + 2 a^{2} - 5 a - 8\) , \( 38 a^{3} + 46 a^{2} - 240 a - 187\) , \( 125 a^{3} + 151 a^{2} - 793 a - 627\bigr] \) |
${y}^2+{x}{y}+\left(a^{3}+2a^{2}-5a-8\right){y}={x}^{3}+\left(2a^{3}+3a^{2}-11a-12\right){x}^{2}+\left(38a^{3}+46a^{2}-240a-187\right){x}+125a^{3}+151a^{2}-793a-627$ |
71.1-c1 |
71.1-c |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71^{2} \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 2 \) |
$1.350817753$ |
$24.25015266$ |
3.348483607 |
\( -\frac{107477168128}{5041} a^{3} - \frac{152866918400}{5041} a^{2} + \frac{629801447424}{5041} a + \frac{510363553792}{5041} \) |
\( \bigl[0\) , \( -a^{2} + 3\) , \( 1\) , \( a^{2} + a - 6\) , \( 80 a^{3} - 140 a^{2} - 616 a + 1181\bigr] \) |
${y}^2+{y}={x}^{3}+\left(-a^{2}+3\right){x}^{2}+\left(a^{2}+a-6\right){x}+80a^{3}-140a^{2}-616a+1181$ |
71.1-d1 |
71.1-d |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71 \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 1 \) |
$0.077631787$ |
$821.9823011$ |
3.261437020 |
\( \frac{732083245280}{71} a^{3} - \frac{1278302446217}{71} a^{2} - \frac{5634987718502}{71} a + \frac{10793107895044}{71} \) |
\( \bigl[a^{3} + 2 a^{2} - 6 a - 8\) , \( -2 a^{3} - 3 a^{2} + 11 a + 13\) , \( 2 a^{3} + 3 a^{2} - 12 a - 11\) , \( a^{3} - 2 a^{2} - 4 a + 8\) , \( 4 a^{3} - 3 a^{2} - 13 a\bigr] \) |
${y}^2+\left(a^{3}+2a^{2}-6a-8\right){x}{y}+\left(2a^{3}+3a^{2}-12a-11\right){y}={x}^{3}+\left(-2a^{3}-3a^{2}+11a+13\right){x}^{2}+\left(a^{3}-2a^{2}-4a+8\right){x}+4a^{3}-3a^{2}-13a$ |
71.1-e1 |
71.1-e |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71^{3} \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 3 \) |
$0.012087042$ |
$1375.479221$ |
2.549190457 |
\( \frac{40567729198}{357911} a^{3} - \frac{18573487223}{357911} a^{2} - \frac{289892232122}{357911} a + \frac{246977548593}{357911} \) |
\( \bigl[a^{3} + 2 a^{2} - 6 a - 7\) , \( -a^{3} - 2 a^{2} + 6 a + 7\) , \( a + 1\) , \( -2 a^{3} - 6 a^{2} + 15 a + 16\) , \( 2 a^{3} - 3 a^{2} - 4 a\bigr] \) |
${y}^2+\left(a^{3}+2a^{2}-6a-7\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{3}-2a^{2}+6a+7\right){x}^{2}+\left(-2a^{3}-6a^{2}+15a+16\right){x}+2a^{3}-3a^{2}-4a$ |
71.1-f1 |
71.1-f |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71 \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 1 \) |
$0.316585081$ |
$168.4566808$ |
2.725747549 |
\( \frac{732083245280}{71} a^{3} - \frac{1278302446217}{71} a^{2} - \frac{5634987718502}{71} a + \frac{10793107895044}{71} \) |
\( \bigl[2 a^{3} + 3 a^{2} - 11 a - 12\) , \( -a^{3} - a^{2} + 6 a + 3\) , \( 1\) , \( -a^{3} + 8 a + 2\) , \( 6 a^{3} + 8 a^{2} - 38 a - 36\bigr] \) |
${y}^2+\left(2a^{3}+3a^{2}-11a-12\right){x}{y}+{y}={x}^{3}+\left(-a^{3}-a^{2}+6a+3\right){x}^{2}+\left(-a^{3}+8a+2\right){x}+6a^{3}+8a^{2}-38a-36$ |
71.1-g1 |
71.1-g |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71 \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 1 \) |
$0.021483562$ |
$2332.543676$ |
2.561197211 |
\( \frac{337705309521}{71} a^{3} + \frac{407692977510}{71} a^{2} - \frac{2139474325813}{71} a - \frac{1682987986020}{71} \) |
\( \bigl[a^{3} + a^{2} - 5 a - 3\) , \( a^{2} + a - 5\) , \( 2 a^{3} + 3 a^{2} - 12 a - 12\) , \( -a^{3} - 3 a^{2} + 6 a + 15\) , \( 44 a^{3} + 61 a^{2} - 254 a - 211\bigr] \) |
${y}^2+\left(a^{3}+a^{2}-5a-3\right){x}{y}+\left(2a^{3}+3a^{2}-12a-12\right){y}={x}^{3}+\left(a^{2}+a-5\right){x}^{2}+\left(-a^{3}-3a^{2}+6a+15\right){x}+44a^{3}+61a^{2}-254a-211$ |
71.1-h1 |
71.1-h |
$1$ |
$1$ |
4.4.6125.1 |
$4$ |
$[4, 0]$ |
71.1 |
\( 71 \) |
\( 71^{2} \) |
$11.91513$ |
$(-2a^3-2a^2+14a+5)$ |
$1$ |
$\mathsf{trivial}$ |
$\textsf{no}$ |
|
$\mathrm{SU}(2)$ |
|
|
✓ |
|
|
|
$1$ |
\( 2 \) |
$0.021909019$ |
$1115.169704$ |
2.497473303 |
\( -\frac{107477168128}{5041} a^{3} - \frac{152866918400}{5041} a^{2} + \frac{629801447424}{5041} a + \frac{510363553792}{5041} \) |
\( \bigl[0\) , \( -a - 1\) , \( a^{3} + a^{2} - 5 a - 3\) , \( -7 a^{3} - 10 a^{2} + 42 a + 34\) , \( 19 a^{3} + 26 a^{2} - 110 a - 89\bigr] \) |
${y}^2+\left(a^{3}+a^{2}-5a-3\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-7a^{3}-10a^{2}+42a+34\right){x}+19a^{3}+26a^{2}-110a-89$ |
*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.