the 1 isometry classes of irreducible [9,4,6]_8 codes are:

code no       1:
================
1 1 1 1 1 1 0 0 0
5 4 3 2 1 0 1 0 0
4 3 6 5 1 0 0 1 0
2 5 4 7 1 0 0 0 1
the automorphism group has order 1512
and is strongly generated by the following 7 elements:
(
6 0 0 0 0 
0 4 0 0 0 
0 0 5 0 0 
4 4 4 4 4 
1 2 7 3 5 
, 1
, 
2 0 0 0 0 
0 6 0 0 0 
0 0 0 0 3 
3 7 6 1 2 
1 1 1 1 1 
, 2
, 
5 0 0 0 0 
0 4 0 0 0 
2 6 3 7 4 
0 0 0 2 0 
0 0 5 0 0 
, 2
, 
4 0 0 0 0 
0 0 2 0 0 
5 5 5 5 5 
0 0 0 0 6 
1 5 7 2 3 
, 0
, 
7 5 3 6 1 
4 0 0 0 0 
0 0 0 0 7 
3 5 4 2 6 
0 0 7 0 0 
, 2
, 
0 0 0 0 7 
0 5 0 0 0 
0 0 0 3 0 
2 2 2 2 2 
2 7 4 1 5 
, 1
, 
7 2 6 5 4 
7 4 2 1 3 
0 7 0 0 0 
0 0 0 1 0 
2 1 4 5 7 
, 2
)
acting on the columns of the generator matrix as follows (in order):
(4, 7, 6)(5, 8, 9), 
(3, 6, 5)(4, 7, 8), 
(3, 5, 7)(6, 8, 9), 
(2, 7, 8, 5, 4, 6, 3), 
(1, 2, 7, 4, 6, 8)(3, 5), 
(1, 7, 5)(3, 6, 4), 
(1, 6, 7, 2, 3, 9)(5, 8)
orbits: { 1, 8, 5, 9, 7, 6, 3, 4, 2 }