Cremona's table of elliptic curves

Curve 28280d1

28280 = 23 · 5 · 7 · 101



Data for elliptic curve 28280d1

Field Data Notes
Atkin-Lehner 2- 5+ 7+ 101+ Signs for the Atkin-Lehner involutions
Class 28280d Isogeny class
Conductor 28280 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 50688 Modular degree for the optimal curve
Δ -4615748480000 = -1 · 210 · 54 · 7 · 1013 Discriminant
Eigenvalues 2-  1 5+ 7+  2  6  4  4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-13896,634304] [a1,a2,a3,a4,a6]
j -289817379063076/4507566875 j-invariant
L 3.0995535390761 L(r)(E,1)/r!
Ω 0.7748883847689 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 56560b1 Quadratic twists by: -4


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