Cremona's table of elliptic curves

Curve 42840co2

42840 = 23 · 32 · 5 · 7 · 17



Data for elliptic curve 42840co2

Field Data Notes
Atkin-Lehner 2- 3- 5- 7- 17- Signs for the Atkin-Lehner involutions
Class 42840co Isogeny class
Conductor 42840 Conductor
∏ cp 576 Product of Tamagawa factors cp
Δ 867162996000000 = 28 · 37 · 56 · 73 · 172 Discriminant
Eigenvalues 2- 3- 5- 7- -6 -4 17- -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-55767,4866874] [a1,a2,a3,a4,a6]
Generators [173:-630:1] [-247:1890:1] Generators of the group modulo torsion
j 102775137127504/4646578125 j-invariant
L 9.5642271234826 L(r)(E,1)/r!
Ω 0.49432535570501 Real period
R 0.13436139406272 Regulator
r 2 Rank of the group of rational points
S 0.99999999999998 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 85680bw2 14280s2 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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