Let Dn be the dihedral group of order 2n. Decide whether the following pairs of groups are isomorphic or not. In each case, explain why. (i) Ds and Q8 × Z2. (ii) De and S3 × Z2. (iii) D6 and A4. (iv) D6 x Z2 and S4.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.5: Isomorphisms
Problem 28E
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Let Dn be the dihedral group of order 2n. Decide whether the following pairs of groups are isomorphic
or not. In each case, explain why.
(i) Ds and Q8 × Z2.
(ii) D6 and S3 × Z2.
(iii) D6 and A4.
(iv) D6 x Z2 and S4.
Transcribed Image Text:Let Dn be the dihedral group of order 2n. Decide whether the following pairs of groups are isomorphic or not. In each case, explain why. (i) Ds and Q8 × Z2. (ii) D6 and S3 × Z2. (iii) D6 and A4. (iv) D6 x Z2 and S4.
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