Cremona's table of elliptic curves

Curve 72828a2

72828 = 22 · 32 · 7 · 172



Data for elliptic curve 72828a2

Field Data Notes
Atkin-Lehner 2- 3+ 7+ 17+ Signs for the Atkin-Lehner involutions
Class 72828a Isogeny class
Conductor 72828 Conductor
∏ cp 48 Product of Tamagawa factors cp
Δ 101314075886666496 = 28 · 39 · 72 · 177 Discriminant
Eigenvalues 2- 3+  2 7+ -2  2 17+ -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-725679,-237445290] [a1,a2,a3,a4,a6]
j 347482224/833 j-invariant
L 1.96316691143 L(r)(E,1)/r!
Ω 0.16359724184115 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 72828b2 4284c2 Quadratic twists by: -3 17


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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