Cremona's table of elliptic curves

Curve 89280cf1

89280 = 26 · 32 · 5 · 31



Data for elliptic curve 89280cf1

Field Data Notes
Atkin-Lehner 2+ 3- 5- 31+ Signs for the Atkin-Lehner involutions
Class 89280cf Isogeny class
Conductor 89280 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 20480 Modular degree for the optimal curve
Δ 36158400 = 26 · 36 · 52 · 31 Discriminant
Eigenvalues 2+ 3- 5- -2  4  0  0  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-387,2916] [a1,a2,a3,a4,a6]
Generators [0:54:1] Generators of the group modulo torsion
j 137388096/775 j-invariant
L 7.3085977856794 L(r)(E,1)/r!
Ω 2.0703852419453 Real period
R 1.7650332987484 Regulator
r 1 Rank of the group of rational points
S 0.99999999988203 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 89280cs1 44640k2 9920b1 Quadratic twists by: -4 8 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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