Cremona's table of elliptic curves

Curve 28272a2

28272 = 24 · 3 · 19 · 31



Data for elliptic curve 28272a2

Field Data Notes
Atkin-Lehner 2+ 3+ 19- 31- Signs for the Atkin-Lehner involutions
Class 28272a Isogeny class
Conductor 28272 Conductor
∏ cp 24 Product of Tamagawa factors cp
Δ -312499065422592 = -1 · 28 · 33 · 196 · 312 Discriminant
Eigenvalues 2+ 3+  2  0 -2 -2  0 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-70732,7313968] [a1,a2,a3,a4,a6]
Generators [168:380:1] Generators of the group modulo torsion
j -152875433506709968/1220699474307 j-invariant
L 5.0956025261533 L(r)(E,1)/r!
Ω 0.54691424292126 Real period
R 1.552834102758 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 14136d2 113088bd2 84816h2 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