Information on Result #737772

Linear OA(740, 65, F7, 23) (dual of [65, 25, 24]-code), using construction XX applied to Ce(23) ⊂ Ce(16) ⊂ Ce(15) based on
  1. linear OA(733, 49, F7, 24) (dual of [49, 16, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 48 = 72−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
  2. linear OA(725, 49, F7, 17) (dual of [49, 24, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 48 = 72−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
  3. linear OA(724, 49, F7, 16) (dual of [49, 25, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 48 = 72−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
  4. linear OA(76, 15, F7, 5) (dual of [15, 9, 6]-code), using
  5. linear OA(70, 1, F7, 0) (dual of [1, 1, 1]-code), using

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.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(740, 65, F7, 22) (dual of [65, 25, 23]-code) [i]Strength Reduction
2Linear OA(738, 63, F7, 21) (dual of [63, 25, 22]-code) [i]Truncation
3Linear OOA(740, 32, F7, 2, 23) (dual of [(32, 2), 24, 24]-NRT-code) [i]OOA Folding