Atkin-Lehner |
19- 103+ |
Signs for the Atkin-Lehner involutions |
Class |
1957b |
Isogeny class |
Conductor |
1957 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
112 |
Modular degree for the optimal curve |
Δ |
1957 = 19 · 103 |
Discriminant |
Eigenvalues |
-1 -1 0 -5 0 -4 -2 19- |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,1,1,-8,-12] |
[a1,a2,a3,a4,a6] |
Generators |
[-2:1:1] [4:4:1] |
Generators of the group modulo torsion |
j |
57066625/1957 |
j-invariant |
L |
1.961306046964 |
L(r)(E,1)/r! |
Ω |
2.8428787702709 |
Real period |
R |
0.68990140116896 |
Regulator |
r |
2 |
Rank of the group of rational points |
S |
1.0000000000003 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
31312o1 125248a1 17613b1 48925a1 |
Quadratic twists by: -4 8 -3 5 |