Cremona's table of elliptic curves

Curve 81585be7

81585 = 32 · 5 · 72 · 37



Data for elliptic curve 81585be7

Field Data Notes
Atkin-Lehner 3- 5- 7- 37- Signs for the Atkin-Lehner involutions
Class 81585be Isogeny class
Conductor 81585 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ -1.9773675589393E+26 Discriminant
Eigenvalues  1 3- 5- 7-  4  2  2  4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,110205891,-509369752760] [a1,a2,a3,a4,a6]
Generators [13736:1889432:1] Generators of the group modulo torsion
j 1725926797674974865599/2305534558266069375 j-invariant
L 9.6614317105355 L(r)(E,1)/r!
Ω 0.030129704164686 Real period
R 5.0103336444765 Regulator
r 1 Rank of the group of rational points
S 4.0000000000707 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 27195f7 11655f8 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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