Cremona's table of elliptic curves

Curve 28704k1

28704 = 25 · 3 · 13 · 23



Data for elliptic curve 28704k1

Field Data Notes
Atkin-Lehner 2+ 3- 13- 23- Signs for the Atkin-Lehner involutions
Class 28704k Isogeny class
Conductor 28704 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 8192 Modular degree for the optimal curve
Δ 51494976 = 26 · 32 · 132 · 232 Discriminant
Eigenvalues 2+ 3-  2  0  4 13-  6  4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-202,-1120] [a1,a2,a3,a4,a6]
j 14313506752/804609 j-invariant
L 5.0811565220431 L(r)(E,1)/r!
Ω 1.2702891305109 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 28704o1 57408p2 86112bg1 Quadratic twists by: -4 8 -3


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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