The check matrix of a [36,27,6]4.

The first 8 rows and 27 columns are the check matrix of a [27,19,6]4.

For more information see Inverting construction Y1.

100000122013033012310331202023310321
010000121230031320210213110033131303
001000112331013221210211202031003013
000100110212010313020102112010020211
000010101122001133020000201000103113
000001011111000000130022131001203100
000000000000111111110001223000012023
000000000000000000001111111000000122
000000000000000000000000000111111111

The prime polynomial used to generate GF(4) is: X2+X+1. The element f=aX+b, a,b in {0,1}, is written as the number a*2+b.


| Some codes | home |