Cremona's table of elliptic curves

Curve 28420j1

28420 = 22 · 5 · 72 · 29



Data for elliptic curve 28420j1

Field Data Notes
Atkin-Lehner 2- 5- 7- 29- Signs for the Atkin-Lehner involutions
Class 28420j Isogeny class
Conductor 28420 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 36864 Modular degree for the optimal curve
Δ 1671792290000 = 24 · 54 · 78 · 29 Discriminant
Eigenvalues 2-  0 5- 7-  6 -6  0  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-3332,-40131] [a1,a2,a3,a4,a6]
Generators [-126:735:8] Generators of the group modulo torsion
j 2173353984/888125 j-invariant
L 5.8101701162464 L(r)(E,1)/r!
Ω 0.65127318362848 Real period
R 2.230312203197 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 113680bv1 4060d1 Quadratic twists by: -4 -7


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