Cremona's table of elliptic curves

Curve 28224dm2

28224 = 26 · 32 · 72



Data for elliptic curve 28224dm2

Field Data Notes
Atkin-Lehner 2- 3+ 7- Signs for the Atkin-Lehner involutions
Class 28224dm Isogeny class
Conductor 28224 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -22773597495570432 = -1 · 212 · 39 · 710 Discriminant
Eigenvalues 2- 3+  0 7-  4  2 -4  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-79380,-11261376] [a1,a2,a3,a4,a6]
Generators [110882044:5141914372:50653] Generators of the group modulo torsion
j -5832000/2401 j-invariant
L 5.800806715056 L(r)(E,1)/r!
Ω 0.13939716763786 Real period
R 10.403379805618 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28224do2 14112d1 28224dn2 4032r2 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