Atkin-Lehner |
2- 3+ 5+ 43+ |
Signs for the Atkin-Lehner involutions |
Class |
20640n |
Isogeny class |
Conductor |
20640 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
Δ |
2.865361936644E+19 |
Discriminant |
Eigenvalues |
2- 3+ 5+ -2 -2 -2 -4 2 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,0,-1115456,373583256] |
[a1,a2,a3,a4,a6] |
j |
299786086083570891272/55964100325078125 |
j-invariant |
L |
0.19957097511176 |
L(r)(E,1)/r! |
Ω |
0.19957097511177 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
20640v2 41280dq2 61920s2 103200ba2 |
Quadratic twists by: -4 8 -3 5 |