The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  8  8  2  2  0  0  2  2 12 12  2  2  4  4  2  2  2  2  8  8  0  0  2  2  2  2 12 12  4  4
 0  2  0 14  0  6  0 10  4  6 12  2  4 14 12 10  8  6  8  2  8 14  8 10 12 14  4 10 12  6  4  2  6  6  2  2 14 14  2  2  2  2  2  2 10 10  2  2 14 14  6  6  2  2  2  2 10 10  2  2  2  2  2  2
 0  0 12  4  8 12  4  8  4  0  0  4 12  8  8 12  8  8  4 12  0  0 12  4 12 12  8  0  4  4  0  8  0  8  4 12  4 12  0  8  4 12  0  8  0  8  4 12  8  0 12  4  8  0 12  4 12  4  8  0 12  4  8  0

generates a code of length 64 over Z16 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+509x^64+2x^96

The gray image is a code over GF(2) with n=512, k=9 and d=256.
This code was found by Heurico 1.16 in 0.262 seconds.