Information on Result #711960

Linear OA(5139, 682, F5, 38) (dual of [682, 543, 39]-code), using construction XX applied to C1 = C([618,25]), C2 = C([1,31]), C3 = C1 + C2 = C([1,25]), and C∩ = C1 ∩ C2 = C([618,31]) based on
  1. linear OA(5101, 624, F5, 32) (dual of [624, 523, 33]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−6,−5,…,25}, and designed minimum distance d ≥ |I|+1 = 33 [i]
  2. linear OA(598, 624, F5, 31) (dual of [624, 526, 32]-code), using the primitive narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [1,31], and designed minimum distance d ≥ |I|+1 = 32 [i]
  3. linear OA(5119, 624, F5, 38) (dual of [624, 505, 39]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−6,−5,…,31}, and designed minimum distance d ≥ |I|+1 = 39 [i]
  4. linear OA(580, 624, F5, 25) (dual of [624, 544, 26]-code), using the primitive narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [1,25], and designed minimum distance d ≥ |I|+1 = 26 [i]
  5. linear OA(511, 31, F5, 6) (dual of [31, 20, 7]-code), using
    • construction X applied to Ce(5) ⊂ Ce(2) [i] based on
      1. linear OA(59, 25, F5, 6) (dual of [25, 16, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 24 = 52−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
      2. linear OA(55, 25, F5, 3) (dual of [25, 20, 4]-code or 25-cap in PG(4,5)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 24 = 52−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
      3. linear OA(52, 6, F5, 2) (dual of [6, 4, 3]-code or 6-arc in PG(1,5)), using
  6. linear OA(59, 27, F5, 5) (dual of [27, 18, 6]-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(5139, 341, F5, 2, 38) (dual of [(341, 2), 543, 39]-NRT-code) [i]OOA Folding