Cremona's table of elliptic curves

Curve 28224cf2

28224 = 26 · 32 · 72



Data for elliptic curve 28224cf2

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224cf Isogeny class
Conductor 28224 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 27653197824 = 212 · 39 · 73 Discriminant
Eigenvalues 2+ 3- -2 7-  2  0  2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-9156,337120] [a1,a2,a3,a4,a6]
Generators [-28:756:1] Generators of the group modulo torsion
j 82881856/27 j-invariant
L 4.8247701554543 L(r)(E,1)/r!
Ω 1.1602743090898 Real period
R 1.0395753223303 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 28224ch2 14112u1 9408be2 28224bt2 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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