engleski

PSp(4, 3) as a symmetric (45, 12, 3), (40, 13, 4) and (36, 15, 6) design

It is shown in [1] that a symmetric (36, 15, 6) design can be constructed from the group PSp(4, 3). In the similar way from the group PSp(4, 3) one can construct symmetric (40, 13, 4) and (45, 12, 3) designs. REFERENCES [1] D. Held, J. Hrabe de Angelis, M.-O.Pavčević, $PSp_4(3)$ as a symmetric (36, 15, 6)-design, Rend. Semin. Mat. Univ. Padova 101, 95-98(1999).

symmetric design; finite group

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