Cremona's table of elliptic curves

Curve 28560ca1

28560 = 24 · 3 · 5 · 7 · 17



Data for elliptic curve 28560ca1

Field Data Notes
Atkin-Lehner 2+ 3- 5- 7- 17- Signs for the Atkin-Lehner involutions
Class 28560ca Isogeny class
Conductor 28560 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 196608 Modular degree for the optimal curve
Δ -6101074218750000 = -1 · 24 · 3 · 516 · 72 · 17 Discriminant
Eigenvalues 2+ 3- 5- 7- -4 -2 17-  4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-129375,-18344352] [a1,a2,a3,a4,a6]
Generators [7565784:119783125:13824] Generators of the group modulo torsion
j -14967807005098080256/381317138671875 j-invariant
L 7.2220734823881 L(r)(E,1)/r!
Ω 0.12567627534243 Real period
R 7.1832108553408 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 14280bk1 114240gh1 85680be1 Quadratic twists by: -4 8 -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
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