Information on Result #674150

Linear OA(257, 64, F2, 31) (dual of [64, 7, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31

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(257, 64, F2, 30) (dual of [64, 7, 31]-code) [i]Strength Reduction
2Linear OA(257, 64, F2, 29) (dual of [64, 7, 30]-code) [i]
3Linear OA(258, 65, F2, 31) (dual of [65, 7, 32]-code) [i]Code Embedding in Larger Space
4Linear OA(259, 66, F2, 31) (dual of [66, 7, 32]-code) [i]
5Linear OA(256, 63, F2, 30) (dual of [63, 7, 31]-code) [i]Truncation
6Linear OA(255, 62, F2, 29) (dual of [62, 7, 30]-code) [i]
7Linear OA(254, 61, F2, 28) (dual of [61, 7, 29]-code) [i]
8Linear OA(253, 60, F2, 27) (dual of [60, 7, 28]-code) [i]
9Linear OA(252, 59, F2, 26) (dual of [59, 7, 27]-code) [i]
10Linear OA(264, 71, F2, 32) (dual of [71, 7, 33]-code) [i]Juxtaposition
11Linear OA(268, 75, F2, 34) (dual of [75, 7, 35]-code) [i]
12Linear OA(272, 79, F2, 36) (dual of [79, 7, 37]-code) [i]
13Linear OA(275, 82, F2, 38) (dual of [82, 7, 39]-code) [i]
14Linear OA(264, 71, F2, 33) (dual of [71, 7, 34]-code) [i]Construction X with Extended Narrow-Sense BCH Codes
15Linear OA(280, 87, F2, 41) (dual of [87, 7, 42]-code) [i]
16Linear OA(275, 82, F2, 39) (dual of [82, 7, 40]-code) [i]
17Linear OA(272, 79, F2, 37) (dual of [79, 7, 38]-code) [i]
18Linear OA(268, 75, F2, 35) (dual of [75, 7, 36]-code) [i]
19Linear OA(258, 68, F2, 29) (dual of [68, 10, 30]-code) [i]
20Linear OA(260, 68, F2, 31) (dual of [68, 8, 32]-code) [i]
21Linear OA(261, 71, F2, 31) (dual of [71, 10, 32]-code) [i]
22Linear OA(266, 82, F2, 29) (dual of [82, 16, 30]-code) [i]
23Linear OA(269, 87, F2, 29) (dual of [87, 18, 30]-code) [i]
24Linear OA(297, 107, F2, 45) (dual of [107, 10, 46]-code) [i]Construction XX with a Chain of Extended Narrow-Sense BCH Codes
25Linear OA(282, 92, F2, 39) (dual of [92, 10, 40]-code) [i]
26Linear OA(279, 89, F2, 37) (dual of [89, 10, 38]-code) [i]
27Linear OA(271, 81, F2, 33) (dual of [81, 10, 34]-code) [i]
28Linear OA(2109, 118, F2, 53) (dual of [118, 9, 54]-code) [i]
29Linear OA(2109, 117, F2, 54) (dual of [117, 8, 55]-code) [i]
30Linear OA(2107, 115, F2, 53) (dual of [115, 8, 54]-code) [i]
31Linear OA(268, 76, F2, 33) (dual of [76, 8, 34]-code) [i]
32Linear OA(264, 76, F2, 29) (dual of [76, 12, 30]-code) [i]
33Linear OA(265, 76, F2, 31) (dual of [76, 11, 32]-code) [i]
34Linear OA(262, 73, F2, 29) (dual of [73, 11, 30]-code) [i]
35Linear OA(272, 90, F2, 31) (dual of [90, 18, 32]-code) [i]
36Linear OOA(257, 32, F2, 2, 31) (dual of [(32, 2), 7, 32]-NRT-code) [i]OOA Folding