Cremona's table of elliptic curves

Curve 224a2

224 = 25 · 7



Data for elliptic curve 224a2

Field Data Notes
Atkin-Lehner 2+ 7+ Signs for the Atkin-Lehner involutions
Class 224a Isogeny class
Conductor 224 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 25088 = 29 · 72 Discriminant
Eigenvalues 2+ -2  0 7+ -4 -4 -2 -6 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-8,-8] [a1,a2,a3,a4,a6]
Generators [-2:2:1] Generators of the group modulo torsion
j 125000/49 j-invariant
L 1.1435250753789 L(r)(E,1)/r!
Ω 2.9056796323957 Real period
R 0.39354822969112 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 224b2 448d2 2016l2 5600u2 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