Cremona's table of elliptic curves

Curve 85680da1

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680da1

Field Data Notes
Atkin-Lehner 2- 3+ 5- 7+ 17+ Signs for the Atkin-Lehner involutions
Class 85680da Isogeny class
Conductor 85680 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 239616 Modular degree for the optimal curve
Δ -17695011962880 = -1 · 216 · 33 · 5 · 76 · 17 Discriminant
Eigenvalues 2- 3+ 5- 7+ -4  0 17+  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-21867,1260954] [a1,a2,a3,a4,a6]
Generators [85:128:1] Generators of the group modulo torsion
j -10456049121363/160002640 j-invariant
L 5.7621246057926 L(r)(E,1)/r!
Ω 0.69287127454821 Real period
R 2.0790747195297 Regulator
r 1 Rank of the group of rational points
S 1.0000000004489 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 10710t1 85680cq1 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
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