Recall that the symmetric group S3 of degree 3 is the group of all permuations on the set {1, 2, 3} and its elements can be listed in the cycle form as follows: S3 = {(), (1 2), (1 3), (2 3), (1 2 3), (1 3 2)} Let 9: S3 + {-1, 1} be the group hornomorphism given by the rule: -1 if f is an odd permutation p (f) = 1 if f is an even permutation a. Compute p ((1 2 3)). ((1 2 3)) = b. Compute the range Ran () of the group homomorphism p. Ran (y) = c. Compute the size of the kernel Ker (y) of the group homomorphism p. |Ker (y)| = d. Is p an isomorphism?
Recall that the symmetric group S3 of degree 3 is the group of all permuations on the set {1, 2, 3} and its elements can be listed in the cycle form as follows: S3 = {(), (1 2), (1 3), (2 3), (1 2 3), (1 3 2)} Let 9: S3 + {-1, 1} be the group hornomorphism given by the rule: -1 if f is an odd permutation p (f) = 1 if f is an even permutation a. Compute p ((1 2 3)). ((1 2 3)) = b. Compute the range Ran () of the group homomorphism p. Ran (y) = c. Compute the size of the kernel Ker (y) of the group homomorphism p. |Ker (y)| = d. Is p an isomorphism?
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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Transcribed Image Text:Recall that the symmetric group S3 of degree 3 is the group of all permuations on the set {1, 2, 3} and its elements can be listed in the cycle form as follows:
S3 = {(), (1 2), (1 3), (2 3), (1 2 3), (13 2)}
Let
p: S3 + {-1, 1}
be the group homomorphism given by the rule:
-1
if f is an odd permutation
9 (f) =
1
if f is an even permutation
а. Compute o ((12 3))
o ((1 2 3)) =
b. Compute the range Ran (y) of the group homomorphism p.
Ran (y) =
c. Compute the size of the kernel Ker (y) of the group homomorphism p.
|Ker (9)|
=
d. Is p an isomorphism?
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