Power automorphism
id:
power-automorphism-293-7457928
title:
Power automorphism
text:
In mathematics, in the realm of group theory, a power automorphism of a group is an automorphism that takes each subgroup of the group to within itself. It is worth noting that the power automorphism of an infinite group may not restrict to an automorphism on each subgroup. For instance, the automorphism on rational numbers that sends each number to its double is a power automorphism even though it does not restrict to an automorphism on each subgroup. Alternatively, power automorphisms are char
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Power_automorphism
date created:
date modified:
2023-08-12T23:32:28Z
main entity:
{"identifier":"Q7236475","url":"https://www.wikidata.org/entity/Q7236475"}
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13
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