New 5-designs constructed from the lifted Golay code over ?4
Masaaki Harada · Journal of Combinatorial Designs · 1998
It is shown that the lifted Golay code over ℤ4 contains several 5-designs. In particular, a 5-(24, 12, 1584) design and a 5-(24, 12, 1632) design are constructed for the first time. © 1998 John Wiley & Sons, Inc. J Combin Designs 6: 225–229, 1998