Cremona's table of elliptic curves

Curve 85680dk2

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680dk2

Field Data Notes
Atkin-Lehner 2- 3- 5+ 7+ 17+ Signs for the Atkin-Lehner involutions
Class 85680dk Isogeny class
Conductor 85680 Conductor
∏ cp 128 Product of Tamagawa factors cp
Δ 4.6181896433804E+21 Discriminant
Eigenvalues 2- 3- 5+ 7+  0 -6 17+  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-7570443,7320342458] [a1,a2,a3,a4,a6]
Generators [1999:13230:1] Generators of the group modulo torsion
j 16069416876629693641/1546622367494400 j-invariant
L 4.3282197987378 L(r)(E,1)/r!
Ω 0.13368635773793 Real period
R 4.0469909128036 Regulator
r 1 Rank of the group of rational points
S 0.99999999983548 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 10710bb2 28560cu2 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