Show that the following two conditions on a group G are equivalent: homomorphism p from G into Σ, such that p(g) + 1 for 4 (1) There is a some g € G. (2) The group G contains a proper subgroup of index at most n.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.7: Direct Sums (optional)
Problem 12E
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Show that the following two conditions on a group G are equivalent:
(1) There is a homomorphism o from G into E, such that (g) +1 for
some g e G.
(2) The group G contains a proper subgroup of index at most n.
Transcribed Image Text:Show that the following two conditions on a group G are equivalent: (1) There is a homomorphism o from G into E, such that (g) +1 for some g e G. (2) The group G contains a proper subgroup of index at most n.
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