Cremona's table of elliptic curves

Curve 28224bk2

28224 = 26 · 32 · 72



Data for elliptic curve 28224bk2

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224bk Isogeny class
Conductor 28224 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -51640810647552 = -1 · 212 · 37 · 78 Discriminant
Eigenvalues 2+ 3-  0 7-  2 -2  4  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,2940,-340256] [a1,a2,a3,a4,a6]
Generators [2856:29008:27] Generators of the group modulo torsion
j 8000/147 j-invariant
L 5.6774557141641 L(r)(E,1)/r!
Ω 0.30779853637153 Real period
R 4.6113407336927 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 28224bm2 14112p1 9408ba2 4032m2 Quadratic twists by: -4 8 -3 -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