Cremona's table of elliptic curves

Curve 28768b1

28768 = 25 · 29 · 31



Data for elliptic curve 28768b1

Field Data Notes
Atkin-Lehner 2+ 29- 31+ Signs for the Atkin-Lehner involutions
Class 28768b Isogeny class
Conductor 28768 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 5504 Modular degree for the optimal curve
Δ 3682304 = 212 · 29 · 31 Discriminant
Eigenvalues 2+  0 -3 -4  0 -2  5 -7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-44,64] [a1,a2,a3,a4,a6]
Generators [-3:13:1] [-2:12:1] Generators of the group modulo torsion
j 2299968/899 j-invariant
L 6.1025488133231 L(r)(E,1)/r!
Ω 2.267172877238 Real period
R 0.67292495364944 Regulator
r 2 Rank of the group of rational points
S 1.0000000000001 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28768c1 57536p1 Quadratic twists by: -4 8


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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