Cremona's table of elliptic curves

Curve 85680d1

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680d1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7- 17- Signs for the Atkin-Lehner involutions
Class 85680d Isogeny class
Conductor 85680 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 28672 Modular degree for the optimal curve
Δ -489404160 = -1 · 28 · 33 · 5 · 72 · 172 Discriminant
Eigenvalues 2+ 3+ 5+ 7-  6 -2 17-  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,177,558] [a1,a2,a3,a4,a6]
Generators [-2:14:1] Generators of the group modulo torsion
j 88723728/70805 j-invariant
L 7.2804865580845 L(r)(E,1)/r!
Ω 1.0674621366788 Real period
R 1.7050924589226 Regulator
r 1 Rank of the group of rational points
S 1.0000000000465 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42840bf1 85680h1 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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