Atkin-Lehner |
2- 13- 19+ |
Signs for the Atkin-Lehner involutions |
Class |
15808q |
Isogeny class |
Conductor |
15808 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
1280 |
Modular degree for the optimal curve |
Δ |
-252928 = -1 · 210 · 13 · 19 |
Discriminant |
Eigenvalues |
2- 0 -2 -2 -6 13- 1 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,4,-24] |
[a1,a2,a3,a4,a6] |
Generators |
[5:11:1] |
Generators of the group modulo torsion |
j |
6912/247 |
j-invariant |
L |
2.9243349535837 |
L(r)(E,1)/r! |
Ω |
1.4984156567194 |
Real period |
R |
1.951617990956 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
15808l1 3952b1 |
Quadratic twists by: -4 8 |