All non-isomorphic OA(144,8,2,4)s, their GWPs and GMA ordering (.n means that the design ranks number n in the GMA ordering):

Orthogonal Array             GWP and GMA Ordering
OA(144,8,2,4).1                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).2                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).3                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).4                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).5                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).6                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).7                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).8                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).9                (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).10              (0, 0, 0, 0, 0.790123, 0.345679, 0.098765, 0.012346).3
OA(144,8,2,4).11              (0, 0, 0, 0, 0.790123, 0.345679, 0.098765, 0.012346).3
OA(144,8,2,4).12              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).13              (0, 0, 0, 0, 0.691358, 0.444444, 0.098765, 0.012346).2
OA(144,8,2,4).14              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).15              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).16              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).17              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).18              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).19              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1
OA(144,8,2,4).20              (0, 0, 0, 0, 0.691358, 0.345679, 0.098765, 0.012346).1