Hostname: page-component-7bb8b95d7b-lvwk9 Total loading time: 0 Render date: 2024-09-13T23:25:51.484Z Has data issue: false hasContentIssue false

Permutation representations of the (2, 4, r) triangle groups

Published online by Cambridge University Press:  17 April 2009

Brent Everitt
Affiliation:
Department of Mathematics andStatistics University of AucklandPO Box 92019 Auckland, New Zealand
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The abstract triangle groups Δ(2, 4, r) can be defined for any positive integer r by Δ(2, 4, r) = 〈x, y | x2 = y4 = (xy)r = 1〉. In this paper we show that for every r ≥ 6, all but finitely many of the alternating groups An can be obtained as quotients of Δ(2, 4, r).

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1994

References

[1]Conder, M.D.E., ‘Generators for alternating and symmetric groups’, J. London Math. Soc. 22 (1980), 7586.CrossRefGoogle Scholar
[2]Conder, M.D.E., ‘More on generators for alternating and symmetric groups’, Quart. J. Math. Oxford Ser 2 32 (1981), 137163.CrossRefGoogle Scholar
[3]Conder, M.D.E., ‘On the group G 666’, Quart. J. Math. Oxford Ser. 2 39 (1988), 175183.CrossRefGoogle Scholar
[4]Conder, M.D.E., ‘A question of Graham Higman concerning quotients of the (2, 3, 7) triangle group’, J. Algebra 141 (1991), 275286.CrossRefGoogle Scholar
[5]Coxeter, H.S.M. and Moser, W.O.H., Generators and relations for discrete groups, 2nd edition (Springer-Verlag, Berlin, Heidelberg, New York, 1965).Google Scholar
[6]Lyndon, R.C., Groups and geometry, London Math. Soc. Lecture Series 101 (Cambridge University Press, 1985).CrossRefGoogle Scholar
[7]Mushtaq, Q. and Rota, Gian-Carlo, ‘Alternating groups as quotients of two generator groups’, Adv. in Math. 96 (1992), 113121.CrossRefGoogle Scholar
[8]Mushtaq, Q. and Servatius, H., ‘Permutation representations of the symmetry groups of regular hyperbolic tessellations’, (preprint).Google Scholar
[9]Wielandt, H., Finite permutation groups (Academic Press, London and New York, 1964).Google Scholar