Atkin-Lehner |
3+ 13- 23- |
Signs for the Atkin-Lehner involutions |
Class |
2691b |
Isogeny class |
Conductor |
2691 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
Δ |
2413827 = 33 · 132 · 232 |
Discriminant |
Eigenvalues |
-1 3+ 0 4 0 13- -6 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,1,-35,-16] |
[a1,a2,a3,a4,a6] |
Generators |
[-2:7:1] |
Generators of the group modulo torsion |
j |
170953875/89401 |
j-invariant |
L |
2.3521271564221 |
L(r)(E,1)/r! |
Ω |
2.0843905244878 |
Real period |
R |
0.56422420098078 |
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 |
43056w2 2691a2 67275a2 34983b2 |
Quadratic twists by: -4 -3 5 13 |