Cremona's table of elliptic curves

Curve 85680x2

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680x2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7- 17+ Signs for the Atkin-Lehner involutions
Class 85680x Isogeny class
Conductor 85680 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 17697204000000 = 28 · 37 · 56 · 7 · 172 Discriminant
Eigenvalues 2+ 3- 5+ 7-  2  0 17+ -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-7383,136582] [a1,a2,a3,a4,a6]
Generators [-43:612:1] Generators of the group modulo torsion
j 238481570896/94828125 j-invariant
L 6.2769592338896 L(r)(E,1)/r!
Ω 0.62808743951372 Real period
R 1.2492208178776 Regulator
r 1 Rank of the group of rational points
S 0.99999999916929 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42840bk2 28560bw2 Quadratic twists by: -4 -3


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