Cremona's table of elliptic curves

Curve 42840ci3

42840 = 23 · 32 · 5 · 7 · 17



Data for elliptic curve 42840ci3

Field Data Notes
Atkin-Lehner 2- 3- 5- 7+ 17- Signs for the Atkin-Lehner involutions
Class 42840ci Isogeny class
Conductor 42840 Conductor
∏ cp 96 Product of Tamagawa factors cp
Δ -357932605048704000 = -1 · 210 · 314 · 53 · 7 · 174 Discriminant
Eigenvalues 2- 3- 5- 7+ -4  2 17-  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,97773,-26269346] [a1,a2,a3,a4,a6]
Generators [483:11560:1] Generators of the group modulo torsion
j 138469157604284/479483620875 j-invariant
L 6.0069212988284 L(r)(E,1)/r!
Ω 0.15413871270651 Real period
R 1.6237866727722 Regulator
r 1 Rank of the group of rational points
S 1.0000000000004 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85680cl3 14280n4 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
Back to Tables and computations