Cremona's table of elliptic curves

Curve 91840m2

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840m2

Field Data Notes
Atkin-Lehner 2+ 5- 7+ 41+ Signs for the Atkin-Lehner involutions
Class 91840m Isogeny class
Conductor 91840 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -21160688353280 = -1 · 220 · 5 · 74 · 412 Discriminant
Eigenvalues 2+  0 5- 7+ -6  0  0  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,4148,-195984] [a1,a2,a3,a4,a6]
Generators [100:1104:1] [405:8241:1] Generators of the group modulo torsion
j 30109256631/80721620 j-invariant
L 10.823454795863 L(r)(E,1)/r!
Ω 0.35044705794539 Real period
R 15.4423536317 Regulator
r 2 Rank of the group of rational points
S 0.9999999999908 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 91840bo2 2870a2 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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