Week 4 Flashcards
1
Q
A
For a,b in G
2
Q
A
3 is transitivity
3
Q
A
4
Q
A
5
Q
A
6
Q
A
7
Q
A
8
Q
Normal subgroup*
A
9
Q
A
10
Q
A
11
Q
A
12
Q
A
13
Q
G/H
A
G/H = {aH: a€G} the set of all left cosets
14
Q
A
15
Q
A
16
Q
A
17
Q
A
18
Q
A
19
Q
A
20
Q
Prove that the centre of a group is a normal subgroup
A
21
Q
For subsets A B of G, AB = ?
A
22
Q
Prove
A
