Information on Result #1014494

Linear OOA(8135, 6291458, F8, 3, 13) (dual of [(6291458, 3), 18874239, 14]-NRT-code), using (u, u+v)-construction based on
  1. linear OOA(837, 699056, F8, 3, 6) (dual of [(699056, 3), 2097131, 7]-NRT-code), using
    • OOA 3-folding [i] based on linear OA(837, 2097168, F8, 6) (dual of [2097168, 2097131, 7]-code), using
      • construction X4 applied to Ce(5) ⊂ Ce(3) [i] based on
        1. linear OA(836, 2097152, F8, 6) (dual of [2097152, 2097116, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
        2. linear OA(822, 2097152, F8, 4) (dual of [2097152, 2097130, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
        3. linear OA(815, 16, F8, 15) (dual of [16, 1, 16]-code or 16-arc in PG(14,8)), using
        4. linear OA(81, 16, F8, 1) (dual of [16, 15, 2]-code), using
  2. linear OOA(898, 5592402, F8, 3, 13) (dual of [(5592402, 3), 16777108, 14]-NRT-code), using
    • trace code [i] based on linear OOA(6449, 2796201, F64, 3, 13) (dual of [(2796201, 3), 8388554, 14]-NRT-code), using
      • OOA 3-folding [i] based on linear OA(6449, large, F64, 13) (dual of [large, large−49, 14]-code), using
        • the expurgated narrow-sense BCH-code C(I) with length 16777217 | 648−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]

Mode: Constructive and linear.

Optimality

Show details for fixed k and m, k and s, k and t, m and s, m and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(8136, 6291458, F8, 3, 13) (dual of [(6291458, 3), 18874238, 14]-NRT-code) [i]OOA Duplication
2Linear OOA(8135, 3145728, F8, 15, 13) (dual of [(3145728, 15), 47185785, 14]-NRT-code) [i]OOA Folding and Stacking with Additional Row