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Is \(J_ 1\) a subgroup of the monster? (English) Zbl 0594.20012

In this paper the involvement of one sporadic simple group in another is discussed. There have been eight open questions of which in this paper six are settled. The most remarkable result is that Janko’s first simple group \(J_ 1\) is not involved in the monster sporadic simple group M.
Reviewer: Z.Janko

MSC:

20D08 Simple groups: sporadic groups
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