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Glasnik matematički, Vol.42 No.2 December 2007. -

For any odd prime power q = pe we study a certain solvable group G of order q2 · q-1-22 · 2 and construct from its internal structure a symmetric design D with parameters 2q2+1, q2, q2-1-2 on which G acts as an automorphism group. As a consequence we find that the full automorphism group of D contains a subgroup of order |G| · e2.

Symmetric design; automorphism group

Author: Dieter Held - ; Fachbereich Mathematik, Johannes Gutenberg-Universität, D-55128 Mainz, Germany Mario-Osvin Pavčević - ; Depart

Source: http://hrcak.srce.hr/


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