Cremona's table of elliptic curves

Curve 42042ck4

42042 = 2 · 3 · 72 · 11 · 13



Data for elliptic curve 42042ck4

Field Data Notes
Atkin-Lehner 2- 3+ 7- 11- 13+ Signs for the Atkin-Lehner involutions
Class 42042ck Isogeny class
Conductor 42042 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ 7.3171611187626E+23 Discriminant
Eigenvalues 2- 3+  2 7- 11- 13+  6  4 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-831298917,9224934847911] [a1,a2,a3,a4,a6]
j 540016607532350974290947137/6219484329456802404 j-invariant
L 5.2350754680594 L(r)(E,1)/r!
Ω 0.081798054191767 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 16 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 126126bz4 6006bd3 Quadratic twists by: -3 -7


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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