Cremona's table of elliptic curves

Curve 81585k1

81585 = 32 · 5 · 72 · 37



Data for elliptic curve 81585k1

Field Data Notes
Atkin-Lehner 3- 5+ 7- 37+ Signs for the Atkin-Lehner involutions
Class 81585k Isogeny class
Conductor 81585 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 4147200 Modular degree for the optimal curve
Δ -8.8519052243685E+21 Discriminant
Eigenvalues  0 3- 5+ 7- -2 -5 -2  8 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-3590328,5229432108] [a1,a2,a3,a4,a6]
Generators [-406:81364:1] Generators of the group modulo torsion
j -59677458829410304/103209811999875 j-invariant
L 3.2962888786871 L(r)(E,1)/r!
Ω 0.11647848714347 Real period
R 3.5374438653441 Regulator
r 1 Rank of the group of rational points
S 1.0000000001108 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27195s1 11655m1 Quadratic twists by: -3 -7


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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