Atkin-Lehner |
2+ 3- 23- |
Signs for the Atkin-Lehner involutions |
Class |
1656c |
Isogeny class |
Conductor |
1656 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
Δ |
3554067456 = 210 · 38 · 232 |
Discriminant |
Eigenvalues |
2+ 3- 2 -4 0 -2 2 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-1659,-25850] |
[a1,a2,a3,a4,a6] |
Generators |
[122:1260:1] |
Generators of the group modulo torsion |
j |
676449508/4761 |
j-invariant |
L |
2.9048238348964 |
L(r)(E,1)/r! |
Ω |
0.74838001314832 |
Real period |
R |
3.8814823804236 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
4 |
Number of elements in the torsion subgroup |
Twists |
3312b2 13248w2 552e2 41400bu2 |
Quadratic twists by: -4 8 -3 5 |