Cremona's table of elliptic curves

Curve 28730r2

28730 = 2 · 5 · 132 · 17



Data for elliptic curve 28730r2

Field Data Notes
Atkin-Lehner 2- 5+ 13+ 17+ Signs for the Atkin-Lehner involutions
Class 28730r Isogeny class
Conductor 28730 Conductor
∏ cp 9 Product of Tamagawa factors cp
Δ -60708128299520 = -1 · 29 · 5 · 136 · 173 Discriminant
Eigenvalues 2-  1 5+ -2  0 13+ 17+  1 Hecke eigenvalues for primes up to 20
Equation [1,0,0,3799,-363559] [a1,a2,a3,a4,a6]
j 1256216039/12577280 j-invariant
L 2.7699837759711 L(r)(E,1)/r!
Ω 0.30777597510797 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 170d2 Quadratic twists by: 13


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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