Cremona's table of elliptic curves

Curve 85680ba1

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680ba1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7- 17+ Signs for the Atkin-Lehner involutions
Class 85680ba Isogeny class
Conductor 85680 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 491520 Modular degree for the optimal curve
Δ 691297031250000 = 24 · 37 · 510 · 7 · 172 Discriminant
Eigenvalues 2+ 3- 5+ 7-  2  4 17+  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-159438,24471263] [a1,a2,a3,a4,a6]
Generators [21755:176526:125] Generators of the group modulo torsion
j 38428347995170816/59267578125 j-invariant
L 7.3882280552826 L(r)(E,1)/r!
Ω 0.50886620301451 Real period
R 7.2594996584264 Regulator
r 1 Rank of the group of rational points
S 1.0000000001821 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42840j1 28560bb1 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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