Cremona's table of elliptic curves

Curve 18240bk1

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240bk1

Field Data Notes
Atkin-Lehner 2+ 3- 5- 19+ Signs for the Atkin-Lehner involutions
Class 18240bk Isogeny class
Conductor 18240 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 4608 Modular degree for the optimal curve
Δ -283668480 = -1 · 212 · 36 · 5 · 19 Discriminant
Eigenvalues 2+ 3- 5-  2  0  2 -4 19+ Hecke eigenvalues for primes up to 20
Equation [0,1,0,55,-777] [a1,a2,a3,a4,a6]
Generators [13:48:1] Generators of the group modulo torsion
j 4410944/69255 j-invariant
L 7.0858806878711 L(r)(E,1)/r!
Ω 0.84724247311343 Real period
R 1.3939104236658 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 18240v1 9120c1 54720p1 91200g1 Quadratic twists by: -4 8 -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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