Cremona's table of elliptic curves

Curve 28968b2

28968 = 23 · 3 · 17 · 71



Data for elliptic curve 28968b2

Field Data Notes
Atkin-Lehner 2+ 3+ 17+ 71- Signs for the Atkin-Lehner involutions
Class 28968b Isogeny class
Conductor 28968 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 3356580096 = 28 · 32 · 172 · 712 Discriminant
Eigenvalues 2+ 3+  2 -4 -4  6 17+  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-1612,25300] [a1,a2,a3,a4,a6]
j 1810707268048/13111641 j-invariant
L 1.4191942805772 L(r)(E,1)/r!
Ω 1.4191942805772 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 57936a2 86904n2 Quadratic twists by: -4 -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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