Power closed

In mathematics a p-group G is called power closed if for every section H of G the product of pk powers is again a pkth power. Regular p-groups are an example of power closed groups. On the other hand, powerful p-groups, for which the product of pk powers is again a pkth power are not power closed, as this property does not hold for all sections of powerful p-groups.

The power closed 2-groups of exponent at least eight are described in (Mann 2005).

## References

* Mann, Avinoam (2005), "The number of generators of finite p-groups", Journal of Group Theory 8 (3): 317–337, doi:10.1515/jgth.2005.8.3.317, ISSN 1433-5883

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