The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A241276

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A241276

Number of partitions of n that come from sizes of conjugacy classes of groups of order n.
(history; published version)

#21 by R. J. Mathar at Thu Dec 13 09:09:45 EST 2018

STATUS

editing

approved

#20 by R. J. Mathar at Thu Dec 13 09:09:39 EST 2018

LINKS

Wikipedia, <a href="http://httphttps://en.wikipedia/wiki/Conjugacy_class">Conjugacy Class</a>

STATUS

approved

editing

#19 by Alois P. Heinz at Thu Oct 16 15:42:10 EDT 2014

STATUS

proposed

approved

#18 by Eric M. Schmidt at Thu Oct 16 15:40:23 EDT 2014

STATUS

editing

proposed

#17 by Eric M. Schmidt at Thu Oct 16 15:38:58 EDT 2014

COMMENTS

A077191 is an upper bound. - Eric M. Schmidt, Oct 16 2014

#16 by Eric M. Schmidt at Thu Oct 16 14:03:04 EDT 2014

LINKS

Eric M. Schmidt, <a href="/A241276/b241276.txt">Table of n, a(n) for n = 1..1023</a>

PROG

(GAP) a := function(n) local i, p, P; P := []; for i in [1..NrSmallGroups(n)] do p := List(ConjugacyClasses(SmallGroup(n, i)), Size); Sort(p); MakeImmutable(p); AddSet(P, p); od; return Length(P); end; # Eric M. Schmidt, Oct 16 2014

STATUS

approved

editing

#15 by Peter Luschny at Wed Apr 23 17:34:29 EDT 2014

STATUS

reviewed

approved

#14 by Joerg Arndt at Mon Apr 21 08:51:20 EDT 2014

STATUS

proposed

reviewed

#13 by Joerg Arndt at Mon Apr 21 08:51:15 EDT 2014

STATUS

editing

proposed

#12 by Joerg Arndt at Mon Apr 21 08:50:49 EDT 2014

COMMENTS

Upper bounds are given by A000001 (number of groups of order n) and A018818 (number of partitions of n into divisors of n).

CROSSREFS

Cf. Upper bounds are given by A000001 (number of groups of order n) and A018818 (number of partitions of n into divisors of n).

STATUS

proposed

editing

Discussion

Mon Apr 21

08:51

Joerg Arndt: Made a comment as you suggested.  Sequence should be fine now.