Atkin-Lehner |
5+ 13- 17- 19+ |
Signs for the Atkin-Lehner involutions |
Class |
20995b |
Isogeny class |
Conductor |
20995 |
Conductor |
∏ cp |
2 |
Product of Tamagawa factors cp |
Δ |
1640234375 = 58 · 13 · 17 · 19 |
Discriminant |
Eigenvalues |
-1 0 5+ 4 0 13- 17- 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,1,-22408,1296652] |
[a1,a2,a3,a4,a6] |
Generators |
[197:2022:1] |
Generators of the group modulo torsion |
j |
1244270571188445009/1640234375 |
j-invariant |
L |
3.1690424773372 |
L(r)(E,1)/r! |
Ω |
1.2698415425101 |
Real period |
R |
4.9912408300532 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
104975a4 |
Quadratic twists by: 5 |