Cremona's table of elliptic curves

Curve 28440f1

28440 = 23 · 32 · 5 · 79



Data for elliptic curve 28440f1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 79- Signs for the Atkin-Lehner involutions
Class 28440f Isogeny class
Conductor 28440 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 25600 Modular degree for the optimal curve
Δ -1415135266560 = -1 · 28 · 311 · 5 · 792 Discriminant
Eigenvalues 2+ 3- 5+  0 -2  2  2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,2697,-19222] [a1,a2,a3,a4,a6]
Generators [907:27360:1] Generators of the group modulo torsion
j 11625163184/7582815 j-invariant
L 4.9147954710437 L(r)(E,1)/r!
Ω 0.48710847330412 Real period
R 5.044867560716 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 56880g1 9480d1 Quadratic twists by: -4 -3


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