Cremona's table of elliptic curves

Curve 28520b1

28520 = 23 · 5 · 23 · 31



Data for elliptic curve 28520b1

Field Data Notes
Atkin-Lehner 2- 5- 23+ 31- Signs for the Atkin-Lehner involutions
Class 28520b Isogeny class
Conductor 28520 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 4800 Modular degree for the optimal curve
Δ -3650560 = -1 · 210 · 5 · 23 · 31 Discriminant
Eigenvalues 2-  2 5-  2 -2 -5  8 -1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,0,92] [a1,a2,a3,a4,a6]
j -4/3565 j-invariant
L 3.9668331467447 L(r)(E,1)/r!
Ω 1.983416573373 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 57040c1 Quadratic twists by: -4


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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