Properties of Subgroups and the Structure of Groups

                              Yanming Wang
                   Dept. of Math., Zhongshan University
                      Guangzhou, 510275, P. R. China

      The most important, as well the most efficient way to determine the
structure of a group is to use the information of its subgroups and
quotient groups. Among the subgroups, people pay more attention to Sylow
subgroups, maximal subgroups and minimal subgroups. This talk will
some recent works on maximal subgroups, Sylow subgroups, minimal
in terms of c-normality and c-supplementary.