Cremona's table of elliptic curves

Curve 28224bi2

28224 = 26 · 32 · 72



Data for elliptic curve 28224bi2

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224bi Isogeny class
Conductor 28224 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 2203341254295552 = 219 · 36 · 78 Discriminant
Eigenvalues 2+ 3-  0 7-  0 -4  6  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-296940,62239408] [a1,a2,a3,a4,a6]
Generators [-378:10976:1] Generators of the group modulo torsion
j 128787625/98 j-invariant
L 5.3610758620845 L(r)(E,1)/r!
Ω 0.45859155186235 Real period
R 1.4612883295367 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28224fc2 882i2 3136k2 4032l2 Quadratic twists by: -4 8 -3 -7


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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