Information on Result #1381111
Linear OOA(2548, 400, F25, 2, 21) (dual of [(400, 2), 752, 22]-NRT-code), using OOA 2-folding based on linear OA(2548, 800, F25, 21) (dual of [800, 752, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(2548, 801, F25, 21) (dual of [801, 753, 22]-code), using
- 166 step Varšamov–Edel lengthening with (ri) = (3, 0, 1, 5 times 0, 1, 18 times 0, 1, 46 times 0, 1, 91 times 0) [i] based on linear OA(2541, 628, F25, 21) (dual of [628, 587, 22]-code), using
- construction XX applied to C1 = C([623,18]), C2 = C([0,19]), C3 = C1 + C2 = C([0,18]), and C∩ = C1 ∩ C2 = C([623,19]) [i] based on
- linear OA(2539, 624, F25, 20) (dual of [624, 585, 21]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−1,0,…,18}, and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2539, 624, F25, 20) (dual of [624, 585, 21]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2541, 624, F25, 21) (dual of [624, 583, 22]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−1,0,…,19}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(2537, 624, F25, 19) (dual of [624, 587, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(250, 2, F25, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(250, s, F25, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- linear OA(250, 2, F25, 0) (dual of [2, 2, 1]-code) (see above)
- construction XX applied to C1 = C([623,18]), C2 = C([0,19]), C3 = C1 + C2 = C([0,18]), and C∩ = C1 ∩ C2 = C([623,19]) [i] based on
- 166 step Varšamov–Edel lengthening with (ri) = (3, 0, 1, 5 times 0, 1, 18 times 0, 1, 46 times 0, 1, 91 times 0) [i] based on linear OA(2541, 628, F25, 21) (dual of [628, 587, 22]-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.