Contranormal subgroup
In mathematics, in the field of group theory, a contranormal subgroup is a subgroup whosenormal closure in the group is the whole group. Clearly, a contranormal subgroup can be normal only if it is the whole group. Some facts:
* Every subgroup of a finite group is a contranormal subgroup of a subnormal subgroup. In general, every subgroup of a group is a contranormal subgroup of a descendant subgroup.
* Every abnormal subgroup is contranormal.
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Contranormal subgroup
In mathematics, in the field of group theory, a contranormal subgroup is a subgroup whosenormal closure in the group is the whole group. Clearly, a contranormal subgroup can be normal only if it is the whole group. Some facts:
* Every subgroup of a finite group is a contranormal subgroup of a subnormal subgroup. In general, every subgroup of a group is a contranormal subgroup of a descendant subgroup.
* Every abnormal subgroup is contranormal.
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In mathematics, in the field o ...... rmal subgroup is contranormal.
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In mathematics, in the field o ...... rmal subgroup is contranormal.
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Contranormal subgroup
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