Cremona's table of elliptic curves

Curve 28665u1

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665u1

Field Data Notes
Atkin-Lehner 3- 5+ 7+ 13- Signs for the Atkin-Lehner involutions
Class 28665u Isogeny class
Conductor 28665 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 406560 Modular degree for the optimal curve
Δ -14443632861328125 = -1 · 36 · 511 · 74 · 132 Discriminant
Eigenvalues  1 3- 5+ 7+  0 13-  0 -6 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-2217210,-1270203859] [a1,a2,a3,a4,a6]
Generators [8571667415397888673126131332:-184552358405137905610762849275:4437914768779165958561941] Generators of the group modulo torsion
j -688691336801860161/8251953125 j-invariant
L 5.5039619529084 L(r)(E,1)/r!
Ω 0.06186108464229 Real period
R 44.486464994389 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 3185g1 28665bm1 Quadratic twists by: -3 -7


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