Find all the normal subgroups of Dg. If using Lattice diagram state why what you chose is a normal subgroup All order 4 subgroups and < r² > are normal. The center of group is always normal. D. Normal subgroups of Dg Dg: Trivial < s,r2 > (rs,r?> < r2,rs > < r² > <1> くr?>
Find all the normal subgroups of Dg. If using Lattice diagram state why what you chose is a normal subgroup All order 4 subgroups and < r² > are normal. The center of group is always normal. D. Normal subgroups of Dg Dg: Trivial < s,r2 > (rs,r?> < r2,rs > < r² > <1> くr?>
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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I think I answered question, Just do not know what put as to why these are normal subgroups as stated in second part

Transcribed Image Text:Find all the normal subgroups of Dg. If using Lattice diagram state why what you chose is a
normal subgroup
All order 4 subgroups and < r² > are normal. The center of group is always normal.
Normal subgroups of Dg
Dg: Trivial
< s, r2 >
8.
(rs,r?>
くr>
< r2,rs >
<r² >
< r2
<57
くr>
<rs7
<1>
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