Information on Result #680000

Linear OA(493, 4129, F4, 19) (dual of [4129, 4036, 20]-code), using construction XX applied to Ce(18) ⊂ Ce(13) ⊂ Ce(12) based on
  1. linear OA(485, 4096, F4, 19) (dual of [4096, 4011, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 4095 = 46−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
  2. linear OA(461, 4096, F4, 14) (dual of [4096, 4035, 15]-code), using an extension Ce(13) of the primitive narrow-sense BCH-code C(I) with length 4095 = 46−1, defining interval I = [1,13], and designed minimum distance d ≥ |I|+1 = 14 [i]
  3. linear OA(455, 4096, F4, 13) (dual of [4096, 4041, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 4095 = 46−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
  4. linear OA(47, 32, F4, 4) (dual of [32, 25, 5]-code), using
  5. linear OA(40, 1, F4, 0) (dual of [1, 1, 1]-code), using

Mode: Constructive and linear.

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.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(493, 2064, F4, 2, 19) (dual of [(2064, 2), 4035, 20]-NRT-code) [i]OOA Folding
2Linear OOA(493, 1376, F4, 3, 19) (dual of [(1376, 3), 4035, 20]-NRT-code) [i]