Cremona's table of elliptic curves

Curve 42840cl2

42840 = 23 · 32 · 5 · 7 · 17



Data for elliptic curve 42840cl2

Field Data Notes
Atkin-Lehner 2- 3- 5- 7- 17- Signs for the Atkin-Lehner involutions
Class 42840cl Isogeny class
Conductor 42840 Conductor
∏ cp 1232 Product of Tamagawa factors cp
Δ 4.286661456327E+28 Discriminant
Eigenvalues 2- 3- 5- 7-  2  2 17- -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-56207999307,-5129139195583706] [a1,a2,a3,a4,a6]
j 13154084057973759342630151347218/28711884968754052734375 j-invariant
L 3.019957257483 L(r)(E,1)/r!
Ω 0.0098050560308844 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 85680br2 14280q2 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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