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Search: id:A119569
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| A119569 |
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Number of non-isomorphic Con-Cos groups of order n. |
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+0
3
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| 1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 3, 1, 2, 1, 5, 1, 4, 1, 3, 2, 2
(list; graph; listen)
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OFFSET
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1,4
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COMMENT
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A Con-Cos group is a group with a normal subgroup such that the cosets of this subgroup coincide with the conjugacy classes.
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REFERENCES
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A. S. Muktibodh, "Generalized Con-Cos grpups" Advances in Algebra, Proc. of ICM sattelite conf. Hong Kong, 2002, 434-441.
A. S. Muktibodh, "Con-Cos groups" Review Bull. of Calcutta Math. Soc., Vol. 11, 53-56, 2003
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CROSSREFS
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Sequence in context: A076198 A032021 A128515 this_sequence A066083 A128644 A000001
Adjacent sequences: A119566 A119567 A119568 this_sequence A119570 A119571 A119572
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KEYWORD
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nonn
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AUTHOR
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A. S. Muktibodh (amukti2000(AT)yahoo.com), Jun 01 2006
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