Cremona's table of elliptic curves

Curve 28665i1

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665i1

Field Data Notes
Atkin-Lehner 3+ 5+ 7- 13- Signs for the Atkin-Lehner involutions
Class 28665i Isogeny class
Conductor 28665 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 1797120 Modular degree for the optimal curve
Δ 822179133217157625 = 39 · 53 · 711 · 132 Discriminant
Eigenvalues  1 3+ 5+ 7- -6 13- -4  4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-57911100,-169610897989] [a1,a2,a3,a4,a6]
Generators [-190667432576794536933816456150:97639430438858983571311119263:43394581059334341309197577] Generators of the group modulo torsion
j 9275335480470938787/355047875 j-invariant
L 4.8413664380094 L(r)(E,1)/r!
Ω 0.054727940059169 Real period
R 44.231213825837 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28665r1 4095d1 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