Cremona's table of elliptic curves

Curve 4640a2

4640 = 25 · 5 · 29



Data for elliptic curve 4640a2

Field Data Notes
Atkin-Lehner 2+ 5+ 29+ Signs for the Atkin-Lehner involutions
Class 4640a Isogeny class
Conductor 4640 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -86118400 = -1 · 212 · 52 · 292 Discriminant
Eigenvalues 2+  0 5+  2 -2  2  2 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-188,1088] [a1,a2,a3,a4,a6]
Generators [4:20:1] Generators of the group modulo torsion
j -179406144/21025 j-invariant
L 3.5615214122733 L(r)(E,1)/r!
Ω 1.8618524656697 Real period
R 0.95644565773696 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 4640b2 9280p1 41760bm2 23200f2 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