Cremona's table of elliptic curves

Curve 85680cs1

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680cs1

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 7- 17+ Signs for the Atkin-Lehner involutions
Class 85680cs Isogeny class
Conductor 85680 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ -335788830720 = -1 · 212 · 39 · 5 · 72 · 17 Discriminant
Eigenvalues 2- 3+ 5+ 7-  0  0 17+ -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-243,-27918] [a1,a2,a3,a4,a6]
Generators [97:928:1] Generators of the group modulo torsion
j -19683/4165 j-invariant
L 5.8013220236148 L(r)(E,1)/r!
Ω 0.42908884398013 Real period
R 3.3800238000879 Regulator
r 1 Rank of the group of rational points
S 1.0000000006196 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 5355a1 85680dh1 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