Atkin-Lehner |
2- 5- 7- |
Signs for the Atkin-Lehner involutions |
Class |
15680di |
Isogeny class |
Conductor |
15680 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
Δ |
4722524979200 = 215 · 52 · 78 |
Discriminant |
Eigenvalues |
2- 0 5- 7- 0 -2 -2 8 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-2561132,1577596944] |
[a1,a2,a3,a4,a6] |
j |
481927184300808/1225 |
j-invariant |
L |
2.0283940862753 |
L(r)(E,1)/r! |
Ω |
0.50709852156884 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
15680dj3 7840q3 78400gp4 2240t3 |
Quadratic twists by: -4 8 5 -7 |