Cremona's table of elliptic curves

Curve 42408c1

42408 = 23 · 32 · 19 · 31



Data for elliptic curve 42408c1

Field Data Notes
Atkin-Lehner 2+ 3- 19+ 31+ Signs for the Atkin-Lehner involutions
Class 42408c Isogeny class
Conductor 42408 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 1290240 Modular degree for the optimal curve
Δ -1.0917465976868E+21 Discriminant
Eigenvalues 2+ 3-  1 -3 -5  4  3 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,1794228,-1292855852] [a1,a2,a3,a4,a6]
j 3422859777193327616/5849979625807819 j-invariant
L 1.3036440981717 L(r)(E,1)/r!
Ω 0.081477756136385 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 84816g1 4712c1 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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