Atkin-Lehner |
2+ 3- 17+ |
Signs for the Atkin-Lehner involutions |
Class |
20808l |
Isogeny class |
Conductor |
20808 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
Δ |
54055796124672 = 210 · 37 · 176 |
Discriminant |
Eigenvalues |
2+ 3- -2 0 4 -2 17+ -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-167331,-26343506] |
[a1,a2,a3,a4,a6] |
j |
28756228/3 |
j-invariant |
L |
0.94420905939488 |
L(r)(E,1)/r! |
Ω |
0.23605226484872 |
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 |
41616x4 6936m4 72a3 |
Quadratic twists by: -4 -3 17 |