Atkin-Lehner |
2- 3+ 5+ 7+ 13- |
Signs for the Atkin-Lehner involutions |
Class |
21840bf |
Isogeny class |
Conductor |
21840 |
Conductor |
∏ cp |
48 |
Product of Tamagawa factors cp |
Δ |
31748161536000 = 218 · 32 · 53 · 72 · 133 |
Discriminant |
Eigenvalues |
2- 3+ 5+ 7+ -6 13- 0 -8 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,0,-823576,287950576] |
[a1,a2,a3,a4,a6] |
Generators |
[460:2496:1] |
Generators of the group modulo torsion |
j |
15082569606665230489/7751016000 |
j-invariant |
L |
2.9206497596028 |
L(r)(E,1)/r! |
Ω |
0.53949054205523 |
Real period |
R |
0.45114318230621 |
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 |
2730o3 87360gs3 65520ea3 109200ge3 |
Quadratic twists by: -4 8 -3 5 |