Atkin-Lehner |
2- 7+ 13- |
Signs for the Atkin-Lehner involutions |
Class |
18928t |
Isogeny class |
Conductor |
18928 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
Δ |
-4839830847488 = -1 · 217 · 75 · 133 |
Discriminant |
Eigenvalues |
2- 1 -2 7+ -5 13- 2 4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,776,-105260] |
[a1,a2,a3,a4,a6] |
Generators |
[108:1118:1] |
Generators of the group modulo torsion |
j |
5735339/537824 |
j-invariant |
L |
4.3443887632146 |
L(r)(E,1)/r! |
Ω |
0.36569788144611 |
Real period |
R |
2.9699302235736 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
2366h2 75712cj2 18928bf2 |
Quadratic twists by: -4 8 13 |