Cremona's table of elliptic curves

Curve 89a1

89 = Prime conductor



Data for elliptic curve 89a1

Field Data Notes
Atkin-Lehner 89+ Signs for the Atkin-Lehner involutions
Class 89a Isogeny class
Conductor 89 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 2 Modular degree for the optimal curve
Δ -89 = Prime discriminant Discriminant
Eigenvalues -1 -1 -1 -4 -2  2  3 -5 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-1,0] [a1,a2,a3,a4,a6]
Generators [0:0:1] Generators of the group modulo torsion
j -117649/89 j-invariant
L 0.62247654153697 L(r)(E,1)/r!
Ω 5.5526265645768 Real period
R 0.1121048812301 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 1424b1 5696a1 801d1 2225a1 Quadratic twists by: -4 8 -3 5


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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