Information on Result #1683478
Linear OOA(2176, 349533, F2, 7, 17) (dual of [(349533, 7), 2446555, 18]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2176, 349533, F2, 6, 17) (dual of [(349533, 6), 2097022, 18]-NRT-code), using
- OOA 6-folding [i] based on linear OA(2176, 2097198, F2, 17) (dual of [2097198, 2097022, 18]-code), using
- discarding factors / shortening the dual code based on linear OA(2176, 2097202, F2, 17) (dual of [2097202, 2097026, 18]-code), using
- construction X applied to C([0,8]) ⊂ C([0,6]) [i] based on
- linear OA(2169, 2097153, F2, 17) (dual of [2097153, 2096984, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 242−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- linear OA(2127, 2097153, F2, 13) (dual of [2097153, 2097026, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 242−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(27, 49, F2, 3) (dual of [49, 42, 4]-code or 49-cap in PG(6,2)), using
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 4 [i]
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- construction X applied to C([0,8]) ⊂ C([0,6]) [i] based on
- discarding factors / shortening the dual code based on linear OA(2176, 2097202, F2, 17) (dual of [2097202, 2097026, 18]-code), 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
None.