A fresh approach to the exceptional automorphism and covers of the symmetric groups

Robert Curtis

Research output: Contribution to journalArticle

Abstract

The outer automorphism of the symmetric group S-6 and the triple covers of the alternating groups A(6) and A(7) are fascinating, examples of familiar objects exhibiting exceptional behavior. Not surprisingly they can be used to 'explain' the existence of much larger sporadic groups. In this paper we use the techniques of symmetric generation to construct S-6:2, 3'S-6 and 3'S-7 in an elementary and revealing fashion.
Original languageEnglish
Pages (from-to)93-107
Number of pages15
JournalArabian Journal for Science and Engineering
Volume27
Issue number1A
Publication statusPublished - 1 Jan 2002

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