Cremona's table of elliptic curves

Curve 18928bc2

18928 = 24 · 7 · 132



Data for elliptic curve 18928bc2

Field Data Notes
Atkin-Lehner 2- 7- 13+ Signs for the Atkin-Lehner involutions
Class 18928bc Isogeny class
Conductor 18928 Conductor
∏ cp 12 Product of Tamagawa factors cp
Δ -4.2516909149502E+21 Discriminant
Eigenvalues 2-  2  3 7- -6 13+ -3 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,447456,-3135209728] [a1,a2,a3,a4,a6]
Generators [1478690:27521697:1000] Generators of the group modulo torsion
j 17546087/7529536 j-invariant
L 8.4267319121096 L(r)(E,1)/r!
Ω 0.064835518729118 Real period
R 10.830909864026 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 2366k2 75712dc2 18928q2 Quadratic twists by: -4 8 13


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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