Cremona's table of elliptic curves

Curve 42840cn2

42840 = 23 · 32 · 5 · 7 · 17



Data for elliptic curve 42840cn2

Field Data Notes
Atkin-Lehner 2- 3- 5- 7- 17- Signs for the Atkin-Lehner involutions
Class 42840cn Isogeny class
Conductor 42840 Conductor
∏ cp 96 Product of Tamagawa factors cp
Δ 1074429460919727360 = 28 · 320 · 5 · 72 · 173 Discriminant
Eigenvalues 2- 3- 5- 7-  6  4 17- -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1225047,-519499654] [a1,a2,a3,a4,a6]
j 1089467982958920784/5757188040765 j-invariant
L 3.4451709041162 L(r)(E,1)/r!
Ω 0.14354878767609 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85680bx2 14280e2 Quadratic twists by: -4 -3


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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