lower bound: | 181 |
upper bound: | 181 |
Construction of a linear code [244,5,181] over GF(4): [1]: [247, 5, 184] Linear Code over GF(2^2) Construction from a stored generator matrix: [ 1, 0, 0, 0, 1, 1, 1, w^2, w^2, 0, 0, 0, 1, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, w^2, 0, 0, 0, 0, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, 0, 0, 0, 1, 1, 1, w, w, w, w^2, w^2, w^2, 0, 0, 0, 1, 1, 1, w, w, w^2, w^2, w^2, 0, 1, 1, 1, w, w, w^2, w^2, 0, 0, 0, 0, 1, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, 0, 0, 0, 0, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, w^2, 0, 0, 0, 0, 1, 1, 1, 1, w, w, w^2, w^2, w^2, w^2, 0, 0, 0, 1, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, w^2, 0, 0, 0, 0, 1, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, 0, 0, 0, 1, 1, w, w, w, w^2, w^2, 0, 0, 0, 1, 1, 1, w, w, w, w^2, w^2, w^2, 0, 0, 1, 1, 1, w, w, w, w^2, w^2, w^2, 0, 0, 1, 1, w, w, w^2, 0, 0, 0, 1, 1, 1, w, w, w, w^2, w^2, w^2, 0, 0, 1, 1, w, w^2, w^2, w^2, 1, 1, 1, w, w, w, w, w^2, w^2, w^2, w^2, 0, 0, 0, 1, 1, 1, w^2, w^2, 0, 0, 0, 1, 1, w, w, w, 0, 0, 0, 0, w, w, w, w^2, w^2, w^2, w^2, w, 0, w, 0, w^2, 1 ] [ 0, 1, 0, w, w^2, 1, 0, w^2, w, 0, w, 1, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, w^2, 1, w^2, 1, 0, w, w^2, 1, w, w^2, 1, 0, w, w^2, 1, 0, 1, w, 0, w^2, w, 0, 1, w^2, w, 1, w^2, 0, 0, 1, w^2, w, 0, w^2, w, 1, w, 1, w^2, 0, w, 0, w^2, w, 1, 1, w^2, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, w^2, 1, 0, w, 1, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, 0, w, w^2, 1, 0, w, w^2, 1, w^2, 1, 0, w, w^2, 1, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w, 0, w^2, 1, w, w^2, 1, 1, 0, w, w^2, w, w, w^2, 1, 0, w, 1, 0, w, w^2, 0, w^2, 1, 1, w^2, w, 0, 1, w, 1, w^2, w, 0, w^2, w^2, w, 1, w^2, 1, w, 0, 1, 0, w, w^2, 1, 0, w^2, 0, w, w^2, 1, w, w^2, 1, w, w^2, 0, 0, w, 1, w, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w^2, w, 0, 1, w, 0, 1, w^2, 1, 0, w, w^2, w, w^2, 1, 0, 0, w, w^2, 1, w, w^2, 1, 0, w, w^2, 1, w^2, w, w^2, w, w, w^2 ] [ 0, 0, 1, w^2, w, 0, 1, w, w^2, 0, w, 1, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, w^2, 1, w, 0, 1, w^2, w, 0, w^2, w, 0, 1, w^2, w, 0, 1, w^2, 0, w, 1, 0, w, w^2, 1, 0, w^2, 1, w, w^2, w, 0, 1, w^2, 0, 1, w, 1, w, 0, 0, w, 0, w^2, w, 1, 1, w^2, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, w^2, 1, w^2, w, 0, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, w^2, 1, 0, w, w^2, 1, 0, w, 0, w, w^2, 1, 0, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, 0, w, w^2, 1, 0, w, w^2, 1, 0, w, w^2, 1, 0, w^2, 1, 1, w^2, 0, 1, w^2, w^2, w, 0, 1, 0, 1, 0, w, w^2, 1, w, w^2, 1, 0, w^2, 0, w, 1, w^2, w, 0, 1, w, 1, w^2, w, 0, w^2, w, w^2, 0, w, 0, w^2, 1, w^2, w, 0, 1, w^2, w, 1, w, 0, 1, w^2, 0, 0, w, 1, 0, w^2, w^2, 1, w, w, 1, w^2, w, 0, 1, w^2, w, 0, 1, w^2, w, w^2, 1, 0, w^2, 1, 0, w, w^2, w, 0, 1, 0, 1, w^2, w, w^2, 1, 0, w, 1, 0, w, w^2, 1, 0, w, w^2, w^2, 1, 1, w, w ] [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, w^2, 1, 1, 0, 0, 1, 1 ] [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 ] where w:=Root(x^2 + x + 1)[1,1]; [2]: [244, 5, 181] Linear Code over GF(2^2) Puncturing of [1] at { 245 .. 247 } last modified: 2001-12-17
Lb(244,5) = 181 is found by truncation of: Lb(247,5) = 184 Bo1 Ub(244,5) = 181 is found by considering truncation to: Ub(243,5) = 180 Ha
Ha: N. Hamada, pers. comm.
Notes
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