Information on Result #681963

Linear OA(455, 63, F4, 41) (dual of [63, 8, 42]-code), using contraction based on linear OA(4181, 189, F4, 125) (dual of [189, 8, 126]-code), using the narrow-sense BCH-code C(I) with length 189 | 49−1, defining interval I = [1,125], and designed minimum distance d ≥ |I|+1 = 126 [i]

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(4118, 126, F4, 83) (dual of [126, 8, 84]-code) [i]Repeating Each Code Word
2Linear OA(4117, 124, F4, 83) (dual of [124, 7, 84]-code) [i]
3Linear OA(4116, 122, F4, 83) (dual of [122, 6, 84]-code) [i]
4Linear OA(4115, 120, F4, 83) (dual of [120, 5, 84]-code) [i]
5Linear OA(4175, 180, F4, 125) (dual of [180, 5, 126]-code) [i]
6Linear OA(4220, 228, F4, 153) (dual of [228, 8, 154]-code) [i]Juxtaposition
7Linear OA(4134, 141, F4, 93) (dual of [141, 7, 94]-code) [i]
8Linear OA(4139, 146, F4, 97) (dual of [146, 7, 98]-code) [i]
9Linear OA(4164, 171, F4, 113) (dual of [171, 7, 114]-code) [i]
10Linear OA(4169, 176, F4, 117) (dual of [176, 7, 118]-code) [i]
11Linear OA(4174, 181, F4, 121) (dual of [181, 7, 122]-code) [i]
12Linear OA(4123, 129, F4, 88) (dual of [129, 6, 89]-code) [i]
13Linear OA(4140, 146, F4, 101) (dual of [146, 6, 102]-code) [i]
14Linear OA(4145, 151, F4, 105) (dual of [151, 6, 106]-code) [i]
15Linear OA(4122, 127, F4, 88) (dual of [127, 5, 89]-code) [i]
16Linear OA(4139, 144, F4, 101) (dual of [144, 5, 102]-code) [i]
17Linear OA(4144, 149, F4, 105) (dual of [149, 5, 106]-code) [i]
18Linear OA(4128, 136, F4, 89) (dual of [136, 8, 90]-code) [i]
19Linear OA(4125, 132, F4, 89) (dual of [132, 7, 90]-code) [i]
20Linear OA(2173, 189, F2, 83) (dual of [189, 16, 84]-code) [i]Concatenation of Two Codes
21Linear OA(2172, 186, F2, 83) (dual of [186, 14, 84]-code) [i]
22Linear OA(2171, 183, F2, 83) (dual of [183, 12, 84]-code) [i]
23Linear OA(2170, 180, F2, 83) (dual of [180, 10, 84]-code) [i]
24Linear OOA(2236, 126, F2, 2, 125) (dual of [(126, 2), 16, 126]-NRT-code) [i]Concatenation of Two NRT-Codes
25Linear OOA(2234, 124, F2, 2, 125) (dual of [(124, 2), 14, 126]-NRT-code) [i]
26Linear OOA(2232, 122, F2, 2, 125) (dual of [(122, 2), 12, 126]-NRT-code) [i]
27Linear OOA(2230, 120, F2, 2, 125) (dual of [(120, 2), 10, 126]-NRT-code) [i]
28Linear OA(4180, 189, F4, 125) (dual of [189, 9, 126]-code) [i](u, u−v, u+v+w)-Construction
29Linear OA(464, 72, F4, 46) (dual of [72, 8, 47]-code) [i]Construction X with Cyclic Codes
30Linear OA(466, 74, F4, 47) (dual of [74, 8, 48]-code) [i]
31Linear OA(483, 91, F4, 57) (dual of [91, 8, 58]-code) [i]
32Linear OA(465, 73, F4, 47) (dual of [73, 8, 48]-code) [i]Construction XX with Cyclic Codes
33Linear OA(471, 91, F4, 38) (dual of [91, 20, 39]-code) [i]
34Linear OA(471, 88, F4, 39) (dual of [88, 17, 40]-code) [i]
35Linear OA(464, 81, F4, 34) (dual of [81, 17, 35]-code) [i]
36Linear OA(462, 76, F4, 36) (dual of [76, 14, 37]-code) [i]
37Linear OA(465, 82, F4, 35) (dual of [82, 17, 36]-code) [i]
38Linear OA(461, 69, F4, 44) (dual of [69, 8, 45]-code) [i]Construction XX with a Chain of Cyclic Codes
39Linear OA(488, 96, F4, 60) (dual of [96, 8, 61]-code) [i]
40Linear OA(484, 92, F4, 58) (dual of [92, 8, 59]-code) [i]
41Linear OOA(455, 31, F4, 2, 41) (dual of [(31, 2), 7, 42]-NRT-code) [i]OOA Folding
42Linear OOA(455, 21, F4, 3, 41) (dual of [(21, 3), 8, 42]-NRT-code) [i]