Cremona's table of elliptic curves

Curve 91840c1

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840c1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 41+ Signs for the Atkin-Lehner involutions
Class 91840c Isogeny class
Conductor 91840 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 84992 Modular degree for the optimal curve
Δ -963952640 = -1 · 214 · 5 · 7 · 412 Discriminant
Eigenvalues 2+  3 5+ 7+  3  5 -7 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-208,-1888] [a1,a2,a3,a4,a6]
Generators [5614947:94710779:19683] Generators of the group modulo torsion
j -60742656/58835 j-invariant
L 12.602426280664 L(r)(E,1)/r!
Ω 0.60472942224763 Real period
R 10.419888497087 Regulator
r 1 Rank of the group of rational points
S 0.99999999835017 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 91840bd1 11480g1 Quadratic twists by: -4 8


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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