Atkin-Lehner |
2- 5- 67- |
Signs for the Atkin-Lehner involutions |
Class |
21440bc |
Isogeny class |
Conductor |
21440 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
2688 |
Modular degree for the optimal curve |
Δ |
-343040 = -1 · 210 · 5 · 67 |
Discriminant |
Eigenvalues |
2- 1 5- -1 -6 -2 4 -8 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,-25,-65] |
[a1,a2,a3,a4,a6] |
j |
-1755904/335 |
j-invariant |
L |
1.0531384712073 |
L(r)(E,1)/r! |
Ω |
1.0531384712073 |
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 |
21440j1 5360i1 107200bw1 |
Quadratic twists by: -4 8 5 |