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On Unsolvable Groups of Degree p = 4q + 1, p and q Primes

Published online by Cambridge University Press:  20 November 2018

K. I. Appel
Affiliation:
University of Illinois
E. T. Parker
Affiliation:
University of Illinois
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This paper presents two results. They are:

Theorem 1. Let G be a doubly transitive permutation group of degree nq + 1 where a is a prime and n < g. If G is neither alternating nor symmetric, then G has Sylow q-subgroup of order only q.

Result 2. There is no unsolvable transitive permutation group of degree p = 29, 53, 149, 173, 269, 293, or 317 properly contained in the alternating group of degree p.

Result 2 was demonstrated by a computation on the Illiac II computer at the University of Illinois.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1967

References

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