Cremona's table of elliptic curves

Curve 91840r1

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840r1

Field Data Notes
Atkin-Lehner 2+ 5- 7+ 41- Signs for the Atkin-Lehner involutions
Class 91840r Isogeny class
Conductor 91840 Conductor
∏ cp 7 Product of Tamagawa factors cp
deg 114688 Modular degree for the optimal curve
Δ -367360000000 = -1 · 214 · 57 · 7 · 41 Discriminant
Eigenvalues 2+ -2 5- 7+  4 -4  4  1 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-3365,-81725] [a1,a2,a3,a4,a6]
Generators [70:175:1] Generators of the group modulo torsion
j -257269341184/22421875 j-invariant
L 5.1270454385271 L(r)(E,1)/r!
Ω 0.31185832744039 Real period
R 2.3486147376098 Regulator
r 1 Rank of the group of rational points
S 0.99999999832599 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 91840bs1 11480e1 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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