Cremona's table of elliptic curves

Curve 40992a1

40992 = 25 · 3 · 7 · 61



Data for elliptic curve 40992a1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 61+ Signs for the Atkin-Lehner involutions
Class 40992a Isogeny class
Conductor 40992 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 89088 Modular degree for the optimal curve
Δ -562281689088 = -1 · 212 · 38 · 73 · 61 Discriminant
Eigenvalues 2+ 3+ -4 7+ -2 -4  7 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,1715,22981] [a1,a2,a3,a4,a6]
Generators [31:-324:1] Generators of the group modulo torsion
j 136114025984/137275803 j-invariant
L 2.3368421051395 L(r)(E,1)/r!
Ω 0.60750150305053 Real period
R 0.96166103845106 Regulator
r 1 Rank of the group of rational points
S 1.0000000000013 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 40992l1 81984cn1 122976ba1 Quadratic twists by: -4 8 -3


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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