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On presentation of PSL (2, pn)
Published online by Cambridge University Press: 09 April 2009
Abstract
We give presentations for the groups PSL(2, pn), p prime, which show that the deficiency of these groups is bounded below. In particular, for p = 2 where SL(2, 2n) = PSL(2, 2n), we show that these groups have deficiency greater than or equal to – 2. We give deficiency – 1 presentations for direct products of SL(2, 2n) for coprime ni. Certain new efficient presentations are given for certain cases of the groups considered.
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- Copyright © Australian Mathematical Society 1990
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