Cremona's table of elliptic curves

Curve 16920b1

16920 = 23 · 32 · 5 · 47



Data for elliptic curve 16920b1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 47- Signs for the Atkin-Lehner involutions
Class 16920b Isogeny class
Conductor 16920 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 6912 Modular degree for the optimal curve
Δ -4736517120 = -1 · 210 · 39 · 5 · 47 Discriminant
Eigenvalues 2+ 3+ 5+  3  2 -1 -3 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-243,-3618] [a1,a2,a3,a4,a6]
j -78732/235 j-invariant
L 2.2359810546931 L(r)(E,1)/r!
Ω 0.55899526367326 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 33840b1 16920j1 84600bc1 Quadratic twists by: -4 -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