Cremona's table of elliptic curves

Curve 1568c2

1568 = 25 · 72



Data for elliptic curve 1568c2

Field Data Notes
Atkin-Lehner 2+ 7- Signs for the Atkin-Lehner involutions
Class 1568c Isogeny class
Conductor 1568 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 2951578112 = 29 · 78 Discriminant
Eigenvalues 2+  2  0 7- -4  4  2  6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-408,1940] [a1,a2,a3,a4,a6]
j 125000/49 j-invariant
L 2.5966442793218 L(r)(E,1)/r!
Ω 1.2983221396609 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 1568e2 3136ba2 14112bx2 39200cf2 Quadratic twists by: -4 8 -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations