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A cohomological property of |
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| Authors: | P.?J.?Cameron mailto:P.J.Cameron@qmul.ac.uk" title=" P.J.Cameron@qmul.ac.uk" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,T.?W.?Müller mailto:T.W.Muller@qmul.ac.uk" title=" T.W.Muller@qmul.ac.uk" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author |
| Affiliation: | (1) School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, E1 4NS London, United Kingdom |
| Abstract: | Let p be a prime,  a finite p-group,  any finite group with order divisible by p,and  any action of  on  . We show that the cardinality of the set of all derivations  with respect to this action is a multiple ofp. This generalises theorems of Frobenius and Hall.Received: 16 June 2003 |
| Keywords: | 20J06. |
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