Cremona's table of elliptic curves

Curve 91840l2

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840l2

Field Data Notes
Atkin-Lehner 2+ 5- 7+ 41+ Signs for the Atkin-Lehner involutions
Class 91840l Isogeny class
Conductor 91840 Conductor
∏ cp 24 Product of Tamagawa factors cp
Δ -33063575552000 = -1 · 216 · 53 · 74 · 412 Discriminant
Eigenvalues 2+  0 5- 7+  2 -4 -4  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,7988,-32016] [a1,a2,a3,a4,a6]
Generators [8:180:1] [53:735:1] Generators of the group modulo torsion
j 860117829084/504510125 j-invariant
L 11.29473322045 L(r)(E,1)/r!
Ω 0.38586979996304 Real period
R 4.8784733526207 Regulator
r 2 Rank of the group of rational points
S 1.0000000000218 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 91840bn2 11480a2 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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