Cremona's table of elliptic curves

Curve 18240k1

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240k1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 19- Signs for the Atkin-Lehner involutions
Class 18240k Isogeny class
Conductor 18240 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 18432 Modular degree for the optimal curve
Δ -32275169280 = -1 · 222 · 34 · 5 · 19 Discriminant
Eigenvalues 2+ 3+ 5+  4  4  2 -2 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-641,10881] [a1,a2,a3,a4,a6]
j -111284641/123120 j-invariant
L 2.1220255334211 L(r)(E,1)/r!
Ω 1.0610127667105 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 18240cm1 570m1 54720co1 91200ed1 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.

Part of Computational Number Theory
Back to Tables and computations