Atkin-Lehner |
2+ 5- 7- |
Signs for the Atkin-Lehner involutions |
Class |
15680bu |
Isogeny class |
Conductor |
15680 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
deg |
30720 |
Modular degree for the optimal curve |
Δ |
-2301834035200 = -1 · 228 · 52 · 73 |
Discriminant |
Eigenvalues |
2+ 2 5- 7- 4 2 -8 -6 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,0,-4545,140225] |
[a1,a2,a3,a4,a6] |
Generators |
[47:168:1] |
Generators of the group modulo torsion |
j |
-115501303/25600 |
j-invariant |
L |
7.5594361608998 |
L(r)(E,1)/r! |
Ω |
0.78289043739252 |
Real period |
R |
2.4139508543741 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
15680dt1 490g1 78400cv1 15680v1 |
Quadratic twists by: -4 8 5 -7 |