Atkin-Lehner |
2- 13+ 19- |
Signs for the Atkin-Lehner involutions |
Class |
1976b |
Isogeny class |
Conductor |
1976 |
Conductor |
∏ cp |
2 |
Product of Tamagawa factors cp |
deg |
80 |
Modular degree for the optimal curve |
Δ |
-3952 = -1 · 24 · 13 · 19 |
Discriminant |
Eigenvalues |
2- 2 0 -2 -4 13+ -3 19- |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,0,-8,-7] |
[a1,a2,a3,a4,a6] |
Generators |
[4:3:1] |
Generators of the group modulo torsion |
j |
-4000000/247 |
j-invariant |
L |
3.7264693672912 |
L(r)(E,1)/r! |
Ω |
1.399958777584 |
Real period |
R |
1.3309211053065 |
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 |
3952a1 15808j1 17784e1 49400e1 |
Quadratic twists by: -4 8 -3 5 |