Information on Result #1297563

Linear OA(2241, 289, F2, 90) (dual of [289, 48, 91]-code), using construction X with VarÅ¡amov bound based on
  1. linear OA(2225, 272, F2, 90) (dual of [272, 47, 91]-code), using
    • construction XX applied to C1 = C([251,84]), C2 = C([1,86]), C3 = C1 + C2 = C([1,84]), and C∩ = C1 ∩ C2 = C([251,86]) [i] based on
      1. linear OA(2217, 255, F2, 89) (dual of [255, 38, 90]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−4,−3,…,84}, and designed minimum distance d ≥ |I|+1 = 90 [i]
      2. linear OA(2210, 255, F2, 86) (dual of [255, 45, 87]-code), using the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,86], and designed minimum distance d ≥ |I|+1 = 87 [i]
      3. linear OA(2219, 255, F2, 91) (dual of [255, 36, 92]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−4,−3,…,86}, and designed minimum distance d ≥ |I|+1 = 92 [i]
      4. linear OA(2208, 255, F2, 84) (dual of [255, 47, 85]-code), using the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,84], and designed minimum distance d ≥ |I|+1 = 85 [i]
      5. linear OA(25, 14, F2, 3) (dual of [14, 9, 4]-code or 14-cap in PG(4,2)), using
      6. linear OA(21, 3, F2, 1) (dual of [3, 2, 2]-code), using
  2. linear OA(2225, 273, F2, 74) (dual of [273, 48, 75]-code), using Gilbert–VarÅ¡amov bound and bm = 2225 > Vbs−1(k−1) = 43 614880 552852 007608 220667 802881 011875 230416 809678 884925 427900 443124 [i]
  3. linear OA(215, 16, F2, 15) (dual of [16, 1, 16]-code or 16-arc in PG(14,2)), using

Mode: 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(2241, 289, F2, 89) (dual of [289, 48, 90]-code) [i]Strength Reduction
2Linear OA(2241, 289, F2, 88) (dual of [289, 48, 89]-code) [i]
3Linear OA(2243, 291, F2, 90) (dual of [291, 48, 91]-code) [i]Code Embedding in Larger Space
4Linear OA(2244, 292, F2, 90) (dual of [292, 48, 91]-code) [i]
5Linear OA(2245, 293, F2, 90) (dual of [293, 48, 91]-code) [i]
6Linear OA(2246, 294, F2, 90) (dual of [294, 48, 91]-code) [i]
7Linear OA(2242, 290, F2, 91) (dual of [290, 48, 92]-code) [i]Adding a Parity Check Bit