Cremona's table of elliptic curves

Curve 81144cf1

81144 = 23 · 32 · 72 · 23



Data for elliptic curve 81144cf1

Field Data Notes
Atkin-Lehner 2- 3- 7- 23- Signs for the Atkin-Lehner involutions
Class 81144cf Isogeny class
Conductor 81144 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 2193408 Modular degree for the optimal curve
Δ -1.540053467112E+19 Discriminant
Eigenvalues 2- 3- -4 7-  1  0 -6  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-608412,-262705660] [a1,a2,a3,a4,a6]
Generators [3304:183834:1] Generators of the group modulo torsion
j -389094786976768/240588123669 j-invariant
L 3.641406865485 L(r)(E,1)/r!
Ω 0.083135858753836 Real period
R 5.4750845773663 Regulator
r 1 Rank of the group of rational points
S 1.0000000002118 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27048b1 81144cd1 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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