Cremona's table of elliptic curves

Curve 42840be3

42840 = 23 · 32 · 5 · 7 · 17



Data for elliptic curve 42840be3

Field Data Notes
Atkin-Lehner 2+ 3- 5- 7- 17- Signs for the Atkin-Lehner involutions
Class 42840be Isogeny class
Conductor 42840 Conductor
∏ cp 480 Product of Tamagawa factors cp
Δ 2.1170971582031E+25 Discriminant
Eigenvalues 2+ 3- 5- 7- -4 -6 17-  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-86394027,-215696067946] [a1,a2,a3,a4,a6]
Generators [14878:1338750:1] Generators of the group modulo torsion
j 95531672389474823658916/28360462188720703125 j-invariant
L 5.6830358694831 L(r)(E,1)/r!
Ω 0.050652501161857 Real period
R 0.93497124839547 Regulator
r 1 Rank of the group of rational points
S 1.0000000000008 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85680bv3 14280bg4 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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