Cremona's table of elliptic curves

Curve 40664a1

40664 = 23 · 13 · 17 · 23



Data for elliptic curve 40664a1

Field Data Notes
Atkin-Lehner 2+ 13+ 17+ 23- Signs for the Atkin-Lehner involutions
Class 40664a Isogeny class
Conductor 40664 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 5568 Modular degree for the optimal curve
Δ -1301248 = -1 · 28 · 13 · 17 · 23 Discriminant
Eigenvalues 2+  0 -2 -4  0 13+ 17+  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-116,484] [a1,a2,a3,a4,a6]
Generators [6:-2:1] [0:22:1] Generators of the group modulo torsion
j -674307072/5083 j-invariant
L 7.0120505463247 L(r)(E,1)/r!
Ω 2.7310707615572 Real period
R 0.64187741352466 Regulator
r 2 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 81328a1 Quadratic twists by: -4


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