Cremona's table of elliptic curves

Curve 85491b1

85491 = 32 · 7 · 23 · 59



Data for elliptic curve 85491b1

Field Data Notes
Atkin-Lehner 3+ 7+ 23- 59- Signs for the Atkin-Lehner involutions
Class 85491b Isogeny class
Conductor 85491 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 51200 Modular degree for the optimal curve
Δ 2023315497 = 33 · 74 · 232 · 59 Discriminant
Eigenvalues -1 3+  0 7+ -4 -6  4 -4 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-2000,34850] [a1,a2,a3,a4,a6]
Generators [30:19:1] Generators of the group modulo torsion
j 32752642399875/74937611 j-invariant
L 2.1641178047577 L(r)(E,1)/r!
Ω 1.4757701577163 Real period
R 0.73321641329261 Regulator
r 1 Rank of the group of rational points
S 1.0000000004564 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85491a1 Quadratic twists by: -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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