Atkin-Lehner |
61+ |
Signs for the Atkin-Lehner involutions |
Class |
61a |
Isogeny class |
Conductor |
61 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
2 |
Modular degree for the optimal curve |
Δ |
-61 = Prime discriminant |
Discriminant |
Eigenvalues |
-1 -2 -3 1 -5 1 4 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,0,0,-2,1] |
[a1,a2,a3,a4,a6] |
Generators |
[1:-1:1] |
Generators of the group modulo torsion |
j |
-912673/61 |
j-invariant |
L |
0.48567365142658 |
L(r)(E,1)/r! |
Ω |
6.1331931483945 |
Real period |
R |
0.079187731362042 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
976b1 3904c1 549c1 1525a1 |
Quadratic twists by: -4 8 -3 5 |