Atkin-Lehner |
7+ 13+ |
Signs for the Atkin-Lehner involutions |
Class |
91a |
Isogeny class |
Conductor |
91 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
4 |
Modular degree for the optimal curve |
Δ |
-91 = -1 · 7 · 13 |
Discriminant |
Eigenvalues |
-2 0 -3 7+ -6 13+ 4 5 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,1,1,0] |
[a1,a2,a3,a4,a6] |
Generators |
[0:0:1] |
Generators of the group modulo torsion |
j |
110592/91 |
j-invariant |
L |
0.55493936654418 |
L(r)(E,1)/r! |
Ω |
3.8972609370517 |
Real period |
R |
0.14239215066877 |
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 |
1456j1 5824f1 819c1 2275e1 |
Quadratic twists by: -4 8 -3 5 |