Cremona's table of elliptic curves

Curve 28480x2

28480 = 26 · 5 · 89



Data for elliptic curve 28480x2

Field Data Notes
Atkin-Lehner 2+ 5- 89- Signs for the Atkin-Lehner involutions
Class 28480x Isogeny class
Conductor 28480 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 2595553280000 = 219 · 54 · 892 Discriminant
Eigenvalues 2+ -2 5-  4  0  0  2 -6 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-426785,107173183] [a1,a2,a3,a4,a6]
Generators [381:140:1] Generators of the group modulo torsion
j 32795348404864969/9901250 j-invariant
L 4.5782586704137 L(r)(E,1)/r!
Ω 0.65166670253028 Real period
R 1.7563651221696 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 28480bt2 890c2 Quadratic twists by: -4 8


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