About author:LI Shang-zhao(1982-), male, Xianju, Zhejiang, a lecturer of Changshu Institute of Technology,
Ph.D., engages in groups and algebraic combinatorics.
Supported by:
Supported by the National Natural Science Foundation of China(11271208,11471054); Supported by the Graduate Students’Scientific Research Innovation Project of Jiangsu Province Ordinary University(KYLX1213);