Atkin-Lehner |
2+ 3- 5- 43+ |
Signs for the Atkin-Lehner involutions |
Class |
20640k |
Isogeny class |
Conductor |
20640 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
deg |
2816 |
Modular degree for the optimal curve |
Δ |
-8916480 = -1 · 29 · 34 · 5 · 43 |
Discriminant |
Eigenvalues |
2+ 3- 5- -1 0 -3 0 -3 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,40,120] |
[a1,a2,a3,a4,a6] |
Generators |
[-2:6:1] |
Generators of the group modulo torsion |
j |
13481272/17415 |
j-invariant |
L |
6.3990320019941 |
L(r)(E,1)/r! |
Ω |
1.5559166376868 |
Real period |
R |
0.51408859631352 |
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 |
20640e1 41280cc1 61920bq1 103200bu1 |
Quadratic twists by: -4 8 -3 5 |