Cremona's table of elliptic curves

Curve 84640b1

84640 = 25 · 5 · 232



Data for elliptic curve 84640b1

Field Data Notes
Atkin-Lehner 2+ 5+ 23- Signs for the Atkin-Lehner involutions
Class 84640b Isogeny class
Conductor 84640 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 193536 Modular degree for the optimal curve
Δ -66125000000000 = -1 · 29 · 512 · 232 Discriminant
Eigenvalues 2+ -1 5+ -2 -4 -4  3  1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-14896,806696] [a1,a2,a3,a4,a6]
j -1349696820488/244140625 j-invariant
L 1.1903868462539 L(r)(E,1)/r!
Ω 0.59519345203084 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 84640k1 84640f1 Quadratic twists by: -4 -23


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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