Atkin-Lehner |
2- 3- 31- 37+ |
Signs for the Atkin-Lehner involutions |
Class |
20646v |
Isogeny class |
Conductor |
20646 |
Conductor |
∏ cp |
108 |
Product of Tamagawa factors cp |
deg |
622080 |
Modular degree for the optimal curve |
Δ |
-1009041031796097024 = -1 · 227 · 311 · 31 · 372 |
Discriminant |
Eigenvalues |
2- 3- 3 4 -1 -1 3 5 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,1,-2006546,-1094576367] |
[a1,a2,a3,a4,a6] |
j |
-1225584732024342787033/1384144076537856 |
j-invariant |
L |
6.8493860271657 |
L(r)(E,1)/r! |
Ω |
0.063420240992275 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
6882c1 |
Quadratic twists by: -3 |