Cremona's table of elliptic curves

Curve 18655a1

18655 = 5 · 7 · 13 · 41



Data for elliptic curve 18655a1

Field Data Notes
Atkin-Lehner 5+ 7- 13+ 41+ Signs for the Atkin-Lehner involutions
Class 18655a Isogeny class
Conductor 18655 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 13394304 Modular degree for the optimal curve
Δ -4.2741025130833E+28 Discriminant
Eigenvalues -1  1 5+ 7-  2 13+ -4 -6 Hecke eigenvalues for primes up to 20
Equation [1,0,0,-709981671,-12327155482810] [a1,a2,a3,a4,a6]
j -39579027900867264317778931289329/42741025130832798511733461925 j-invariant
L 0.3366219904118 L(r)(E,1)/r!
Ω 0.014025916267158 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 93275d1 Quadratic twists by: 5


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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