Cremona's table of elliptic curves

Curve 1856a1

1856 = 26 · 29



Data for elliptic curve 1856a1

Field Data Notes
Atkin-Lehner 2+ 29- Signs for the Atkin-Lehner involutions
Class 1856a Isogeny class
Conductor 1856 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 768 Modular degree for the optimal curve
Δ -7784628224 = -1 · 228 · 29 Discriminant
Eigenvalues 2+  1 -1 -2  3  1  8  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,319,3743] [a1,a2,a3,a4,a6]
j 13651919/29696 j-invariant
L 1.8264700906123 L(r)(E,1)/r!
Ω 0.91323504530616 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 1856l1 58b1 16704r1 46400o1 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