Information on Result #681397

Linear OA(4251, 256, F4, 191) (dual of [256, 5, 192]-code), using an extension Ce(190) of the primitive narrow-sense BCH-code C(I) with length 255 = 44−1, defining interval I = [1,190], and designed minimum distance d ≥ |I|+1 = 191

Mode: Constructive and linear.

This result is hidden, because other results with identical parameters exist.

Optimality

Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(4251, 256, F4, 190) (dual of [256, 5, 191]-code) [i]Strength Reduction
2Linear OA(4251, 256, F4, 189) (dual of [256, 5, 190]-code) [i]
3Linear OA(4252, 257, F4, 191) (dual of [257, 5, 192]-code) [i]Code Embedding in Larger Space
4Linear OA(4253, 258, F4, 191) (dual of [258, 5, 192]-code) [i]
5Linear OA(4250, 255, F4, 190) (dual of [255, 5, 191]-code) [i]Truncation
6Linear OA(4249, 254, F4, 189) (dual of [254, 5, 190]-code) [i]
7Linear OA(4248, 253, F4, 188) (dual of [253, 5, 189]-code) [i]
8Linear OA(4247, 252, F4, 187) (dual of [252, 5, 188]-code) [i]
9Linear OA(4246, 251, F4, 186) (dual of [251, 5, 187]-code) [i]
10Linear OA(4245, 250, F4, 185) (dual of [250, 5, 186]-code) [i]
11Linear OA(4244, 249, F4, 184) (dual of [249, 5, 185]-code) [i]
12Linear OA(4243, 248, F4, 183) (dual of [248, 5, 184]-code) [i]
13Linear OA(4241, 246, F4, 181) (dual of [246, 5, 182]-code) [i]
14Linear OA(4240, 245, F4, 180) (dual of [245, 5, 181]-code) [i]
15Linear OA(4256, 261, F4, 192) (dual of [261, 5, 193]-code) [i]Juxtaposition
16Linear OA(4257, 262, F4, 193) (dual of [262, 5, 194]-code) [i]
17Linear OA(4259, 264, F4, 194) (dual of [264, 5, 195]-code) [i]
18Linear OA(4260, 265, F4, 195) (dual of [265, 5, 196]-code) [i]
19Linear OA(4256, 261, F4, 193) (dual of [261, 5, 194]-code) [i]Construction X with Extended Narrow-Sense BCH Codes
20Linear OA(4260, 265, F4, 196) (dual of [265, 5, 197]-code) [i]
21Linear OA(4254, 261, F4, 191) (dual of [261, 7, 192]-code) [i]
22Linear OA(4260, 266, F4, 193) (dual of [266, 6, 194]-code) [i]Construction XX with a Chain of Extended Narrow-Sense BCH Codes
23Linear OOA(4251, 128, F4, 2, 191) (dual of [(128, 2), 5, 192]-NRT-code) [i]OOA Folding