Information on Result #701860

Linear OA(2124, 286, F2, 31) (dual of [286, 162, 32]-code), using construction XX applied to C1 = C([251,24]), C2 = C([0,26]), C3 = C1 + C2 = C([0,24]), and C∩ = C1 ∩ C2 = C([251,26]) based on
  1. linear OA(2109, 255, F2, 29) (dual of [255, 146, 30]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−4,−3,…,24}, and designed minimum distance d ≥ |I|+1 = 30 [i]
  2. linear OA(2101, 255, F2, 27) (dual of [255, 154, 28]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [0,26], and designed minimum distance d ≥ |I|+1 = 28 [i]
  3. linear OA(2117, 255, F2, 31) (dual of [255, 138, 32]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−4,−3,…,26}, and designed minimum distance d ≥ |I|+1 = 32 [i]
  4. linear OA(293, 255, F2, 25) (dual of [255, 162, 26]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [0,24], and designed minimum distance d ≥ |I|+1 = 26 [i]
  5. linear OA(26, 22, F2, 3) (dual of [22, 16, 4]-code or 22-cap in PG(5,2)), using
  6. linear OA(21, 9, F2, 1) (dual of [9, 8, 2]-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 OA(2123, 285, F2, 30) (dual of [285, 162, 31]-code) [i]Truncation
2Linear OOA(2124, 143, F2, 2, 31) (dual of [(143, 2), 162, 32]-NRT-code) [i]OOA Folding
3Linear OOA(2124, 95, F2, 3, 31) (dual of [(95, 3), 161, 32]-NRT-code) [i]