Cremona's table of elliptic curves

Curve 28224dz1

28224 = 26 · 32 · 72



Data for elliptic curve 28224dz1

Field Data Notes
Atkin-Lehner 2- 3+ 7- Signs for the Atkin-Lehner involutions
Class 28224dz Isogeny class
Conductor 28224 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 27648 Modular degree for the optimal curve
Δ -177570054144 = -1 · 227 · 33 · 72 Discriminant
Eigenvalues 2- 3+  3 7- -3  2 -6 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,84,-20272] [a1,a2,a3,a4,a6]
Generators [37:183:1] Generators of the group modulo torsion
j 189/512 j-invariant
L 6.5567296482004 L(r)(E,1)/r!
Ω 0.47048165729577 Real period
R 3.4840516875233 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28224r1 7056bj1 28224ec2 28224dd1 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