期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2000
卷号：24
DOI：10.1155/S0161171200002167
出版社：Hindawi Publishing Corporation
摘要：We show that the Coxeter group Dn is the split extension of
n−1 copies of Z2 by Sn for a given action of Sn described in the paper. We also find the centre of Dn and some
of its other important subgroups.
