Cremona's table of elliptic curves

Curve 18648b1

18648 = 23 · 32 · 7 · 37



Data for elliptic curve 18648b1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 37+ Signs for the Atkin-Lehner involutions
Class 18648b Isogeny class
Conductor 18648 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 55296 Modular degree for the optimal curve
Δ -50722770088368 = -1 · 24 · 39 · 76 · 372 Discriminant
Eigenvalues 2+ 3+ -2 7+ -2  6  2 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,9234,27729] [a1,a2,a3,a4,a6]
Generators [24:513:1] Generators of the group modulo torsion
j 276491667456/161061481 j-invariant
L 4.1342529939905 L(r)(E,1)/r!
Ω 0.38214599715202 Real period
R 2.7046292678724 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 37296d1 18648r1 Quadratic twists by: -4 -3


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