Atkin-Lehner |
5+ 7- 19+ 31+ |
Signs for the Atkin-Lehner involutions |
Class |
20615c |
Isogeny class |
Conductor |
20615 |
Conductor |
∏ cp |
2 |
Product of Tamagawa factors cp |
Δ |
590189947865 = 5 · 7 · 19 · 316 |
Discriminant |
Eigenvalues |
-1 2 5+ 7- 0 -4 6 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,1,1,-2926,-49646] |
[a1,a2,a3,a4,a6] |
j |
2770485962938849/590189947865 |
j-invariant |
L |
1.3178362015972 |
L(r)(E,1)/r! |
Ω |
0.6589181007986 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
4 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
103075b2 |
Quadratic twists by: 5 |