Cremona's table of elliptic curves

Curve 28224d1

28224 = 26 · 32 · 72



Data for elliptic curve 28224d1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ Signs for the Atkin-Lehner involutions
Class 28224d Isogeny class
Conductor 28224 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 15360 Modular degree for the optimal curve
Δ -8497004544 = -1 · 217 · 33 · 74 Discriminant
Eigenvalues 2+ 3+ -1 7+  5 -2 -6 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-588,-7056] [a1,a2,a3,a4,a6]
Generators [30:48:1] Generators of the group modulo torsion
j -2646 j-invariant
L 5.1297760117497 L(r)(E,1)/r!
Ω 0.4758101442345 Real period
R 1.3476425613 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 28224cz1 3528a1 28224c1 28224l1 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