Cremona's table of elliptic curves

Curve 2856b1

2856 = 23 · 3 · 7 · 17



Data for elliptic curve 2856b1

Field Data Notes
Atkin-Lehner 2+ 3- 7+ 17- Signs for the Atkin-Lehner involutions
Class 2856b Isogeny class
Conductor 2856 Conductor
∏ cp 264 Product of Tamagawa factors cp
deg 4224 Modular degree for the optimal curve
Δ -10917334358784 = -1 · 28 · 311 · 72 · 173 Discriminant
Eigenvalues 2+ 3- -1 7+ -3  1 17- -1 Hecke eigenvalues for primes up to 20
Equation [0,1,0,679,159051] [a1,a2,a3,a4,a6]
Generators [67:-714:1] Generators of the group modulo torsion
j 135037162496/42645837339 j-invariant
L 3.5855883049896 L(r)(E,1)/r!
Ω 0.55798997939798 Real period
R 0.024340533672647 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 5712f1 22848e1 8568i1 71400cp1 Quadratic twists by: -4 8 -3 5


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