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 |
-236440052249315328 = -1 · 211 · 314 · 176 |
Discriminant |
Eigenvalues |
2+ 3- -2 0 4 -2 17+ -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,40749,23179534] |
[a1,a2,a3,a4,a6] |
j |
207646/6561 |
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 |
41616x5 6936m6 72a6 |
Quadratic twists by: -4 -3 17 |