Cremona's table of elliptic curves

Curve 28420b1

28420 = 22 · 5 · 72 · 29



Data for elliptic curve 28420b1

Field Data Notes
Atkin-Lehner 2- 5+ 7- 29+ Signs for the Atkin-Lehner involutions
Class 28420b Isogeny class
Conductor 28420 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 46080 Modular degree for the optimal curve
Δ 3276712888400 = 24 · 52 · 710 · 29 Discriminant
Eigenvalues 2-  2 5+ 7- -2 -2  2 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-11041,441666] [a1,a2,a3,a4,a6]
Generators [-9:735:1] Generators of the group modulo torsion
j 79082438656/1740725 j-invariant
L 6.9088990523819 L(r)(E,1)/r!
Ω 0.79474419589214 Real period
R 1.4488727081604 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 113680bb1 4060e1 Quadratic twists by: -4 -7


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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