On Canonical Generators of Subgroups
Canadian mathematical bulletin, Tome 14 (1971) no. 3, pp. 321-323
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Let H be a cyclic group, K⊂H a subgroup and x, y generators of H, K. We shall say that x, y are related if y=xa where a is the index of K in H, in other words, y is the smallest positive power of x in K. The main purpose of this note is to show that for any group G one may, by means of the axiom of choice, choose for each cyclic group H⊂G a generator xH such that when K⊂H then xK , xH are related.
Fantham, Peter. On Canonical Generators of Subgroups. Canadian mathematical bulletin, Tome 14 (1971) no. 3, pp. 321-323. doi: 10.4153/CMB-1971-059-4
@article{10_4153_CMB_1971_059_4,
author = {Fantham, Peter},
title = {On {Canonical} {Generators} of {Subgroups}},
journal = {Canadian mathematical bulletin},
pages = {321--323},
year = {1971},
volume = {14},
number = {3},
doi = {10.4153/CMB-1971-059-4},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-059-4/}
}
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