Cremona's table of elliptic curves

Curve 28677b1

28677 = 3 · 112 · 79



Data for elliptic curve 28677b1

Field Data Notes
Atkin-Lehner 3+ 11- 79- Signs for the Atkin-Lehner involutions
Class 28677b Isogeny class
Conductor 28677 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 4992 Modular degree for the optimal curve
Δ 3469917 = 3 · 114 · 79 Discriminant
Eigenvalues -1 3+  0 -2 11- -5  3  5 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-63,144] [a1,a2,a3,a4,a6]
Generators [6:2:1] Generators of the group modulo torsion
j 1890625/237 j-invariant
L 2.3943284506451 L(r)(E,1)/r!
Ω 2.4151887027376 Real period
R 0.33045429644637 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 86031f1 28677a1 Quadratic twists by: -3 -11


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