Atkin-Lehner |
2+ 3- 7- 13+ |
Signs for the Atkin-Lehner involutions |
Class |
1638i |
Isogeny class |
Conductor |
1638 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
Δ |
136525662 = 2 · 37 · 74 · 13 |
Discriminant |
Eigenvalues |
2+ 3- -2 7- 4 13+ -6 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,0,-3753,-87561] |
[a1,a2,a3,a4,a6] |
Generators |
[-35:18:1] |
Generators of the group modulo torsion |
j |
8020417344913/187278 |
j-invariant |
L |
2.0214627052223 |
L(r)(E,1)/r! |
Ω |
0.60995823327049 |
Real period |
R |
1.6570501019255 |
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 |
13104bt3 52416dd4 546g3 40950dy4 |
Quadratic twists by: -4 8 -3 5 |