the 8 isometry classes of irreducible [9,3,4]_2 codes are:

code no       1:
================
1 1 1 1 1 1 1 0 0
1 1 1 0 0 0 0 1 0
1 1 0 1 0 0 0 0 1
the automorphism group has order 48
and is strongly generated by the following 5 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 1 1 1 1 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 1 1 1 1 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 0 1 0 0 
1 1 1 0 0 0 
1 1 1 1 1 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 0 1 0 0 
0 0 1 0 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
0 1 0 0 0 0 
1 0 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 1 1 1 1 1 
0 0 0 0 0 1 
)
acting on the columns of the generator matrix as follows (in order):
(6, 7), 
(5, 6, 7), 
(3, 9)(4, 8)(5, 6, 7), 
(3, 4)(5, 6)(8, 9), 
(1, 2)(5, 7)
orbits: { 1, 2 }, { 3, 9, 4, 8 }, { 5, 7, 6 }

code no       2:
================
1 1 1 1 1 1 1 0 0
1 1 1 0 0 0 0 1 0
1 0 0 1 1 0 0 0 1
the automorphism group has order 16
and is strongly generated by the following 4 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 1 1 1 1 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 0 1 0 
0 0 0 1 0 0 
1 1 1 1 1 1 
, 
1 0 0 0 0 0 
0 0 1 0 0 0 
0 1 0 0 0 0 
0 0 0 0 1 0 
0 0 0 1 0 0 
1 1 1 1 1 1 
, 
1 0 0 0 0 0 
0 0 0 0 1 0 
0 0 0 1 0 0 
0 0 1 0 0 0 
0 1 0 0 0 0 
1 1 1 1 1 1 
)
acting on the columns of the generator matrix as follows (in order):
(6, 7), 
(4, 5)(6, 7), 
(2, 3)(4, 5)(6, 7), 
(2, 5)(3, 4)(6, 7)(8, 9)
orbits: { 1 }, { 2, 3, 5, 4 }, { 6, 7 }, { 8, 9 }

code no       3:
================
1 1 1 0 0 0 1 0 0
1 1 0 1 0 0 0 1 0
1 0 0 0 1 1 0 0 1
the automorphism group has order 48
and is strongly generated by the following 5 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 0 0 0 1 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 0 0 0 1 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
1 1 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 0 1 0 0 
1 1 1 0 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 6), 
(5, 6, 9), 
(4, 8), 
(3, 8, 7, 4)(5, 6)
orbits: { 1 }, { 2 }, { 3, 4, 8, 7 }, { 5, 6, 9 }

code no       4:
================
1 1 1 0 0 0 1 0 0
1 1 0 1 0 0 0 1 0
1 1 0 0 1 1 0 0 1
the automorphism group has order 288
and is strongly generated by the following 7 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 1 0 0 1 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 1 0 0 1 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
1 1 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 0 1 0 0 
1 1 1 0 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 1 1 0 0 0 
0 0 1 0 0 0 
0 1 0 0 0 0 
0 0 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 1 0 1 0 0 
0 0 0 1 0 0 
1 1 1 0 0 0 
1 0 0 0 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 6), 
(5, 6, 9), 
(4, 8), 
(3, 8)(4, 7), 
(1, 7)(2, 3)(5, 6), 
(1, 4, 2, 8)(3, 7)
orbits: { 1, 7, 8, 4, 3, 2 }, { 5, 6, 9 }

code no       5:
================
1 1 1 0 0 0 1 0 0
1 1 0 1 0 0 0 1 0
1 0 1 1 1 1 0 0 1
the automorphism group has order 144
and is strongly generated by the following 6 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 0 1 1 1 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 0 1 1 1 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 1 0 0 0 
1 1 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 0 1 0 0 
1 1 1 0 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 1 0 1 0 0 
0 0 0 1 0 0 
1 1 1 0 0 0 
1 0 0 0 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 6), 
(5, 6, 9), 
(3, 7)(4, 8)(5, 6), 
(3, 8)(4, 7), 
(1, 4, 2, 8)(3, 7)
orbits: { 1, 8, 4, 3, 2, 7 }, { 5, 6, 9 }

code no       6:
================
1 1 1 0 0 0 1 0 0
1 0 0 1 1 0 0 1 0
0 1 0 1 0 1 0 0 1
the automorphism group has order 48
and is strongly generated by the following 5 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
0 1 0 1 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 0 0 1 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 0 0 1 0 0 
1 0 0 1 1 0 
0 1 0 0 0 0 
1 1 1 0 0 0 
0 0 0 0 0 1 
, 
0 0 0 1 0 0 
0 1 0 0 0 0 
0 1 0 1 0 1 
1 0 0 0 0 0 
0 0 0 0 1 0 
1 1 1 0 0 0 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 8), 
(3, 7), 
(2, 4)(3, 8)(5, 7), 
(1, 4)(3, 9)(6, 7)
orbits: { 1, 4, 2 }, { 3, 7, 8, 9, 5, 6 }

code no       7:
================
1 1 1 0 0 0 1 0 0
1 1 0 1 1 0 0 1 0
1 1 0 1 0 1 0 0 1
the automorphism group has order 128
and is strongly generated by the following 6 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 1 0 1 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 1 0 1 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 0 1 
0 0 0 0 1 0 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
1 1 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 1 1 0 0 0 
0 0 1 0 0 0 
0 1 0 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
, 
1 1 0 1 0 1 
0 0 0 0 0 1 
0 0 0 0 1 0 
0 0 0 1 0 0 
1 0 0 0 0 0 
1 1 1 0 0 0 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 8), 
(5, 6)(8, 9), 
(3, 7), 
(1, 7)(2, 3), 
(1, 5, 3, 9)(2, 8, 7, 6)
orbits: { 1, 7, 9, 3, 8, 6, 2, 5 }, { 4 }

code no       8:
================
1 1 1 0 0 0 1 0 0
1 1 0 1 1 0 0 1 0
1 0 1 1 0 1 0 0 1
the automorphism group has order 32
and is strongly generated by the following 5 elements:
(
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
1 0 1 1 0 1 
, 
1 0 0 0 0 0 
0 1 0 0 0 0 
0 0 1 0 0 0 
0 0 0 1 0 0 
1 1 0 1 1 0 
0 0 0 0 0 1 
, 
1 0 0 0 0 0 
0 0 1 0 0 0 
0 1 0 0 0 0 
0 0 0 1 0 0 
1 0 1 1 0 1 
1 1 0 1 1 0 
, 
0 1 0 0 0 0 
1 0 0 0 0 0 
1 1 1 0 0 0 
0 0 0 1 0 0 
1 1 0 1 1 0 
0 0 0 0 0 1 
, 
0 0 1 0 0 0 
1 1 1 0 0 0 
1 0 0 0 0 0 
0 0 0 1 0 0 
0 0 0 0 1 0 
0 0 0 0 0 1 
)
acting on the columns of the generator matrix as follows (in order):
(6, 9), 
(5, 8), 
(2, 3)(5, 9)(6, 8), 
(1, 2)(3, 7)(5, 8), 
(1, 3)(2, 7)
orbits: { 1, 2, 3, 7 }, { 4 }, { 5, 8, 9, 6 }