Let G, (Isisn) be n groups and G is the external direct product of these groups. Let e, be the identity of the group G, for each i(1 sis n). Then () For each i, H. = {(e,, e, ... , e X, e;+ 1., e, | x; eG)} is a normal subgroup of G
Let G, (Isisn) be n groups and G is the external direct product of these groups. Let e, be the identity of the group G, for each i(1 sis n). Then () For each i, H. = {(e,, e, ... , e X, e;+ 1., e, | x; eG)} is a normal subgroup of G
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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