Cremona's table of elliptic curves

Curve 28548b1

28548 = 22 · 32 · 13 · 61



Data for elliptic curve 28548b1

Field Data Notes
Atkin-Lehner 2- 3+ 13- 61- Signs for the Atkin-Lehner involutions
Class 28548b Isogeny class
Conductor 28548 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 10752 Modular degree for the optimal curve
Δ -271662768 = -1 · 24 · 33 · 132 · 612 Discriminant
Eigenvalues 2- 3+ -4  0 -2 13- -6  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,108,665] [a1,a2,a3,a4,a6]
Generators [-4:13:1] [-2:21:1] Generators of the group modulo torsion
j 322486272/628849 j-invariant
L 6.6716426469994 L(r)(E,1)/r!
Ω 1.2008279712289 Real period
R 0.92597813159596 Regulator
r 2 Rank of the group of rational points
S 0.99999999999987 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 114192bg1 28548a1 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