Let T = {o E S4|0(3) = 3}. (a) Show that T is a subgroup of S4. (b) Prove that T= S3.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.5: Normal Subgroups
Problem 35E: Show that An has index 2 in Sn, and thereby conclude that An is always a normal subgroup of Sn.
icon
Related questions
Question

handwritten answers pls

2. Let T = {o E S4 |0 (3) = 3}.
(a) Show that T is a subgroup of S4.
(b) Prove that T = S3.
Transcribed Image Text:2. Let T = {o E S4 |0 (3) = 3}. (a) Show that T is a subgroup of S4. (b) Prove that T = S3.
Expert Solution
steps

Step by step

Solved in 5 steps with 5 images

Blurred answer
Recommended textbooks for you
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning