Cremona's table of elliptic curves

Curve 81585bc1

81585 = 32 · 5 · 72 · 37



Data for elliptic curve 81585bc1

Field Data Notes
Atkin-Lehner 3- 5- 7- 37- Signs for the Atkin-Lehner involutions
Class 81585bc Isogeny class
Conductor 81585 Conductor
∏ cp 56 Product of Tamagawa factors cp
deg 6451200 Modular degree for the optimal curve
Δ -2.1105852324258E+23 Discriminant
Eigenvalues  0 3- 5- 7- -5  1  1 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,1,8363418,-20047334463] [a1,a2,a3,a4,a6]
Generators [8337:793187:1] Generators of the group modulo torsion
j 754326479523774464/2460861244296875 j-invariant
L 5.2121807522343 L(r)(E,1)/r!
Ω 0.051050331114598 Real period
R 1.8231939792649 Regulator
r 1 Rank of the group of rational points
S 0.9999999995948 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 9065a1 11655e1 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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