Let Dg = { x, y | x2=1, y3=1, xyx = y} consider the map p: D3 → GL₂ (A) defined by p (y) = P(-(i) p (x) = 1 cos 2/3 -sin 2/3 sin 2/3 cos 2/3 Check that p is a representation. (i) (ii) Find the character of p.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Let Dg = { x, y | x2=1, y®=1, xyx = y },
D3
y²}.
consider the map p: D3 → GL₂ (A)
defined by p (y) =
**>-(;)
p(x) =
0
(i)
(ii)
cos 23 -sin 2/3
sin 2/3
cos 2/3
Check that p is a representation.
Find the character of p.
Transcribed Image Text:Let Dg = { x, y | x2=1, y®=1, xyx = y }, D3 y²}. consider the map p: D3 → GL₂ (A) defined by p (y) = **>-(;) p(x) = 0 (i) (ii) cos 23 -sin 2/3 sin 2/3 cos 2/3 Check that p is a representation. Find the character of p.
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