Information on Result #951157
Linear OOA(2193, 69, F2, 3, 92) (dual of [(69, 3), 14, 93]-NRT-code), using OOA 3-folding based on linear OA(2193, 207, F2, 92) (dual of [207, 14, 93]-code), using
- strength reduction [i] based on linear OA(2193, 207, F2, 93) (dual of [207, 14, 94]-code), using
- concatenation of two codes [i] based on
- linear OA(462, 69, F4, 46) (dual of [69, 7, 47]-code), using
- construction X applied to C([1,140]) ⊂ C([1,128]) [i] based on
- linear OA(459, 63, F4, 46) (dual of [63, 4, 47]-code), using contraction [i] based on linear OA(4185, 189, F4, 140) (dual of [189, 4, 141]-code), using the narrow-sense BCH-code C(I) with length 189 | 49−1, defining interval I = [1,140], and designed minimum distance d ≥ |I|+1 = 141 [i]
- linear OA(456, 63, F4, 42) (dual of [63, 7, 43]-code), using contraction [i] based on linear OA(4182, 189, F4, 128) (dual of [189, 7, 129]-code), using the narrow-sense BCH-code C(I) with length 189 | 49−1, defining interval I = [1,128], and designed minimum distance d ≥ |I|+1 = 129 [i]
- linear OA(43, 6, F4, 3) (dual of [6, 3, 4]-code or 6-arc in PG(2,4) or 6-cap in PG(2,4)), using
- construction X applied to C([1,140]) ⊂ C([1,128]) [i] based on
- linear OA(21, 3, F2, 1) (dual of [3, 2, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- linear OA(462, 69, F4, 46) (dual of [69, 7, 47]-code), using
- concatenation of two codes [i] based on
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
None.