Information on Result #709210

Linear OA(4220, 1077, F4, 55) (dual of [1077, 857, 56]-code), using construction XX applied to C1 = C([1018,44]), C2 = C([0,49]), C3 = C1 + C2 = C([0,44]), and C∩ = C1 ∩ C2 = C([1018,49]) based on
  1. linear OA(4186, 1023, F4, 50) (dual of [1023, 837, 51]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {−5,−4,…,44}, and designed minimum distance d ≥ |I|+1 = 51 [i]
  2. linear OA(4186, 1023, F4, 50) (dual of [1023, 837, 51]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 45−1, defining interval I = [0,49], and designed minimum distance d ≥ |I|+1 = 51 [i]
  3. linear OA(4206, 1023, F4, 55) (dual of [1023, 817, 56]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {−5,−4,…,49}, and designed minimum distance d ≥ |I|+1 = 56 [i]
  4. linear OA(4166, 1023, F4, 45) (dual of [1023, 857, 46]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 45−1, defining interval I = [0,44], and designed minimum distance d ≥ |I|+1 = 46 [i]
  5. linear OA(47, 27, F4, 4) (dual of [27, 20, 5]-code), using
  6. linear OA(47, 27, F4, 4) (dual of [27, 20, 5]-code) (see above)

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 OA(4221, 1078, F4, 55) (dual of [1078, 857, 56]-code) [i]Code Embedding in Larger Space
2Linear OA(4222, 1079, F4, 55) (dual of [1079, 857, 56]-code) [i]
3Linear OOA(4220, 538, F4, 2, 55) (dual of [(538, 2), 856, 56]-NRT-code) [i]OOA Folding