Cremona's table of elliptic curves

Curve 91840j1

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840j1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 41- Signs for the Atkin-Lehner involutions
Class 91840j Isogeny class
Conductor 91840 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 634880 Modular degree for the optimal curve
Δ 3937640000000000 = 212 · 510 · 74 · 41 Discriminant
Eigenvalues 2+  2 5+ 7-  0 -6  0 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-122921,16351721] [a1,a2,a3,a4,a6]
Generators [253:1176:1] Generators of the group modulo torsion
j 50147068654327744/961337890625 j-invariant
L 8.234125264766 L(r)(E,1)/r!
Ω 0.44071357755196 Real period
R 2.3354525673426 Regulator
r 1 Rank of the group of rational points
S 1.0000000018841 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 91840f1 45920h1 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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