Information on Result #673539

Linear OA(2247, 256, F2, 127) (dual of [256, 9, 128]-code), using an extension Ce(126) of the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,126], and designed minimum distance d ≥ |I|+1 = 127

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(2247, 256, F2, 126) (dual of [256, 9, 127]-code) [i]Strength Reduction
2Linear OA(2247, 256, F2, 125) (dual of [256, 9, 126]-code) [i]
3Linear OA(2247, 256, F2, 124) (dual of [256, 9, 125]-code) [i]
4Linear OA(2248, 257, F2, 127) (dual of [257, 9, 128]-code) [i]Code Embedding in Larger Space
5Linear OA(2249, 258, F2, 127) (dual of [258, 9, 128]-code) [i]
6Linear OA(2250, 259, F2, 127) (dual of [259, 9, 128]-code) [i]
7Linear OA(2251, 260, F2, 127) (dual of [260, 9, 128]-code) [i]
8Linear OA(2252, 261, F2, 127) (dual of [261, 9, 128]-code) [i]
9Linear OA(2253, 262, F2, 127) (dual of [262, 9, 128]-code) [i]
10Linear OA(2246, 255, F2, 126) (dual of [255, 9, 127]-code) [i]Truncation
11Linear OA(2245, 254, F2, 125) (dual of [254, 9, 126]-code) [i]
12Linear OA(2244, 253, F2, 124) (dual of [253, 9, 125]-code) [i]
13Linear OA(2243, 252, F2, 123) (dual of [252, 9, 124]-code) [i]
14Linear OA(2242, 251, F2, 122) (dual of [251, 9, 123]-code) [i]
15Linear OA(2241, 250, F2, 121) (dual of [250, 9, 122]-code) [i]
16Linear OA(2240, 249, F2, 120) (dual of [249, 9, 121]-code) [i]
17Linear OA(2256, 265, F2, 128) (dual of [265, 9, 129]-code) [i]Juxtaposition
18Linear OA(2260, 269, F2, 130) (dual of [269, 9, 131]-code) [i]
19Linear OA(2256, 265, F2, 129) (dual of [265, 9, 130]-code) [i]Construction X with Extended Narrow-Sense BCH Codes
20Linear OA(2260, 269, F2, 131) (dual of [269, 9, 132]-code) [i]
21Linear OA(2248, 261, F2, 121) (dual of [261, 13, 122]-code) [i]
22Linear OA(2254, 264, F2, 127) (dual of [264, 10, 128]-code) [i]
23Linear OA(2257, 268, F2, 127) (dual of [268, 11, 128]-code) [i]
24Linear OA(2258, 271, F2, 127) (dual of [271, 13, 128]-code) [i]
25Linear OA(2254, 265, F2, 125) (dual of [265, 11, 126]-code) [i]
26Linear OA(2255, 268, F2, 125) (dual of [268, 13, 126]-code) [i]
27Linear OA(2251, 264, F2, 123) (dual of [264, 13, 124]-code) [i]
28Linear OA(2260, 275, F2, 121) (dual of [275, 15, 122]-code) [i]Construction XX with a Chain of Extended Narrow-Sense BCH Codes
29Linear OA(2260, 274, F2, 123) (dual of [274, 14, 124]-code) [i]
30Linear OA(2256, 270, F2, 121) (dual of [270, 14, 122]-code) [i]
31Linear OOA(2247, 128, F2, 2, 127) (dual of [(128, 2), 9, 128]-NRT-code) [i]OOA Folding