Glasnik Matematicki, Vol. 34, No.1 (1999), 37-42.

ON A SYMMETRIC DESIGN (133,33,8) AND THE GROUP E8 . F21 AS ITS AUTOMORPHISM GROUP

Anka Golemac and Tanja Vučičić

University of Split, Department of Mathematics, Teslina 12/III, 21000 Split, Croatia
e-mail: golemac@mapmf.pmfst.hr
e-mail: vucicic@mapmf.pmfst.hr


Abstract.   This article presents the examination of the possibility that group E8 · F21 operates on a symmetric design with parameters (133,33,8) as its automorphism group. The method based on coset enumeration in group is used.

1991 Mathematics Subject Classification.   05B05.

Key words and phrases.   Symmetric design, automorphism group, orbit structure, indexing.


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