Cremona's table of elliptic curves

Curve 81700a1

81700 = 22 · 52 · 19 · 43



Data for elliptic curve 81700a1

Field Data Notes
Atkin-Lehner 2- 5+ 19+ 43- Signs for the Atkin-Lehner involutions
Class 81700a Isogeny class
Conductor 81700 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 24576 Modular degree for the optimal curve
Δ -3268000000 = -1 · 28 · 56 · 19 · 43 Discriminant
Eigenvalues 2-  0 5+ -3  0  0 -3 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,25,2750] [a1,a2,a3,a4,a6]
Generators [-5:50:1] Generators of the group modulo torsion
j 432/817 j-invariant
L 3.841812885175 L(r)(E,1)/r!
Ω 1.1091416861067 Real period
R 0.57729517808647 Regulator
r 1 Rank of the group of rational points
S 1.0000000005077 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 3268a1 Quadratic twists by: 5


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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