Atkin-Lehner |
2+ 3+ 17- |
Signs for the Atkin-Lehner involutions |
Class |
20808g |
Isogeny class |
Conductor |
20808 |
Conductor |
∏ cp |
2 |
Product of Tamagawa factors cp |
deg |
48960 |
Modular degree for the optimal curve |
Δ |
-385731483457536 = -1 · 211 · 33 · 178 |
Discriminant |
Eigenvalues |
2+ 3+ -3 0 1 0 17- -2 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-14739,1169294] |
[a1,a2,a3,a4,a6] |
j |
-918 |
j-invariant |
L |
0.97093105035647 |
L(r)(E,1)/r! |
Ω |
0.48546552517824 |
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 |
41616n1 20808ba1 20808c1 |
Quadratic twists by: -4 -3 17 |