Cremona's table of elliptic curves

Curve 91840d1

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840d1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 41- Signs for the Atkin-Lehner involutions
Class 91840d Isogeny class
Conductor 91840 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 34560 Modular degree for the optimal curve
Δ -2812600000 = -1 · 26 · 55 · 73 · 41 Discriminant
Eigenvalues 2+  0 5+ 7+  0 -4  2 -3 Hecke eigenvalues for primes up to 20
Equation [0,0,0,352,-222] [a1,a2,a3,a4,a6]
j 75365351424/43946875 j-invariant
L 0.84580674056426 L(r)(E,1)/r!
Ω 0.84580668201839 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 91840be1 1435a1 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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