| 词条 | P-constrained group |
| 释义 |
In mathematics, a p-constrained group is a finite group resembling the centralizer of an element of prime order p in a group of Lie type over a finite field of characteristic p. They were introduced by {{harvs|txt|last1=Gorenstein|last2=Walter|year=1964|loc=p.169}} in order to extend some of Thompson's results about odd groups to groups with dihedral Sylow 2-subgroups. DefinitionIf a group has trivial p′ core Op′(G), then it is defined to be p-constrained if the p-core Op(G) contains its centralizer, or in other words if its generalized Fitting subgroup is a p-group. More generally, if Op′(G) is non-trivial, then G is called p-constrained if G/ Op′(G) is p-constrained. All p-solvable groups are p-constrained. See also
References
2 : Finite groups|Properties of groups |
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