Atkin-Lehner |
2+ 3+ 7- 71+ |
Signs for the Atkin-Lehner involutions |
Class |
20874f |
Isogeny class |
Conductor |
20874 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
Δ |
246666845585915874 = 2 · 316 · 79 · 71 |
Discriminant |
Eigenvalues |
2+ 3+ -2 7- 4 4 2 0 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,1,0,-212881,29207515] |
[a1,a2,a3,a4,a6] |
j |
26439622160671/6112634382 |
j-invariant |
L |
1.1748832685298 |
L(r)(E,1)/r! |
Ω |
0.29372081713246 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
4 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
62622cm2 20874o2 |
Quadratic twists by: -3 -7 |