3.4. Let G, H be groups, and assume that G H x G. Can you conclude that H is trivial? (Hint: No. Can you construct a counterexample?)

Elements Of Modern Algebra
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ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.5: Isomorphisms
Problem 7TFE: Label each of the following statements as either true or false. Two groups can be isomorphic even...
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3.3. Show that if G, H are abelian groups, then G x H satisfies the universal
property for coproducts in Ab (cf. §I.5.5). [§3.5, 3.6, §III.6.1]
3.4. Let G, H be groups, and assume that G H x G. Can you conclude that H
is trivial? (Hint: No. Can you construct a counterexample?)
Transcribed Image Text:Question: 3.3. Show that if G, H are abelian groups, then G x H satisfies the universal property for coproducts in Ab (cf. §I.5.5). [§3.5, 3.6, §III.6.1] 3.4. Let G, H be groups, and assume that G H x G. Can you conclude that H is trivial? (Hint: No. Can you construct a counterexample?)
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