Question
Every finite group is isomorphic to a subgroup of Sn, where n = |G|. Taking n = |G| is not always the smallest possible choice.
Every finite group is isomorphic to a subgroup of Sn, where n = |G|. Taking n = |G| is not always the smallest possible choice. Provide an example of this, by finding an isomorphism between the group D4 of order 8 and a subgroup of S4.
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A First Course In Abstract Algebra
Authors: John Fraleigh
7th Edition
0201763907, 978-0201763904
