Show that SL(n, R) is a normal subgroup of GL(n, R). Further, by apply- ing Fundamental Theorem of group homomorphism, show that the quotient groups GL(n, R)/SL(n, R) is isomorphic to the multiplicative group (R\{0}..) of non-zero real numbers. (Here GL(n, R) denotes the general linear group of all n x n matrices over R and GL(n, R) denotes the special linear group of all nxn matrices over R.)
Show that SL(n, R) is a normal subgroup of GL(n, R). Further, by apply- ing Fundamental Theorem of group homomorphism, show that the quotient groups GL(n, R)/SL(n, R) is isomorphic to the multiplicative group (R\{0}..) of non-zero real numbers. (Here GL(n, R) denotes the general linear group of all n x n matrices over R and GL(n, R) denotes the special linear group of all nxn matrices over R.)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.6: Quotient Groups
Problem 23E
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