Cremona's table of elliptic curves

Curve 28704c2

28704 = 25 · 3 · 13 · 23



Data for elliptic curve 28704c2

Field Data Notes
Atkin-Lehner 2+ 3+ 13+ 23- Signs for the Atkin-Lehner involutions
Class 28704c Isogeny class
Conductor 28704 Conductor
∏ cp 24 Product of Tamagawa factors cp
Δ 24901180840194048 = 212 · 35 · 132 · 236 Discriminant
Eigenvalues 2+ 3+  4 -2  0 13+ -8  6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-202801,34390273] [a1,a2,a3,a4,a6]
j 225204042539923264/6079389853563 j-invariant
L 2.259353962297 L(r)(E,1)/r!
Ω 0.3765589937161 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28704r2 57408bv1 86112ba2 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
Back to Tables and computations