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commutator subgroup

   Also found in: Wikipedia 0.01 sec.
commutator subgroup [′käm·yə‚tād·ər ′səb‚grüp]
(mathematics)
The subgroup of a given groupGconsisting of all products of the formg1g2gn, where eachgiis the commutator of some pair of elements inG.


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Topics covered include counting of subgroups and proof of the main counting theorems, regular p-groups and regularity criteria, p-groups of maximal class and their characterizations, characters of p-groups, p-groups with large Schur multiplier and commutator subgroups, (p--1)- admissible Hall chains in normal subgroups, powerful p-groups, automorphisms of p-groups, p-groups that have nonnormal subgroups that are all cyclic, and Alberin's problem of abelian subgroups of small index.
The subgroup of G generated by the set {[x, y]| x, : y [member of] G} is called the commutator subgroup of G and will be denoted G'.
 
 
 
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