Cremona's table of elliptic curves

Curve 91840j2

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840j2

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
Δ -992320561254400000 = -1 · 215 · 55 · 78 · 412 Discriminant
Eigenvalues 2+  2 5+ 7-  0 -6  0 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,2079,47926721] [a1,a2,a3,a4,a6]
Generators [1115:37884:1] Generators of the group modulo torsion
j 30312959032/30283220253125 j-invariant
L 8.234125264766 L(r)(E,1)/r!
Ω 0.22035678877598 Real period
R 4.6709051346851 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 91840f2 45920h2 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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