Cremona's table of elliptic curves

Curve 28665bl2

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665bl2

Field Data Notes
Atkin-Lehner 3- 5- 7- 13+ Signs for the Atkin-Lehner involutions
Class 28665bl Isogeny class
Conductor 28665 Conductor
∏ cp 2 Product of Tamagawa factors cp
Δ -6786240464649555 = -1 · 37 · 5 · 710 · 133 Discriminant
Eigenvalues  0 3- 5- 7-  0 13+ -3 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-3270162,-2276159405] [a1,a2,a3,a4,a6]
j -18781210771456/32955 j-invariant
L 1.0104148060169 L(r)(E,1)/r!
Ω 0.056134155889782 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 9555b2 28665t2 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