Atkin-Lehner |
2- 19+ |
Signs for the Atkin-Lehner involutions |
Class |
1216l |
Isogeny class |
Conductor |
1216 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
128 |
Modular degree for the optimal curve |
Δ |
-311296 = -1 · 214 · 19 |
Discriminant |
Eigenvalues |
2- -2 1 3 -3 4 5 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,-5,-29] |
[a1,a2,a3,a4,a6] |
j |
-1024/19 |
j-invariant |
L |
1.3178451167804 |
L(r)(E,1)/r! |
Ω |
1.3178451167804 |
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 |
1216g1 304d1 10944bv1 30400bg1 |
Quadratic twists by: -4 8 -3 5 |