Cremona's table of elliptic curves

Curve 18240b1

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240b1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 19+ Signs for the Atkin-Lehner involutions
Class 18240b Isogeny class
Conductor 18240 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 4096 Modular degree for the optimal curve
Δ 6840000 = 26 · 32 · 54 · 19 Discriminant
Eigenvalues 2+ 3+ 5+  0 -4  2  2 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-236,-1314] [a1,a2,a3,a4,a6]
Generators [91:850:1] Generators of the group modulo torsion
j 22809653056/106875 j-invariant
L 3.6430802202904 L(r)(E,1)/r!
Ω 1.2179817106689 Real period
R 2.9910795772868 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 18240bg1 9120j2 54720bo1 91200co1 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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