Atkin-Lehner |
2+ 19+ 29- |
Signs for the Atkin-Lehner involutions |
Class |
20938a |
Isogeny class |
Conductor |
20938 |
Conductor |
∏ cp |
12 |
Product of Tamagawa factors cp |
deg |
923400 |
Modular degree for the optimal curve |
Δ |
-2.0630812127742E+21 |
Discriminant |
Eigenvalues |
2+ 0 2 0 4 6 2 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,0,2314484,-1714890288] |
[a1,a2,a3,a4,a6] |
j |
4249166477373/6393430016 |
j-invariant |
L |
2.1009174752617 |
L(r)(E,1)/r! |
Ω |
0.077811758343025 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
9 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
20938f1 |
Quadratic twists by: -19 |