lcm 1

lcm 2

Kernel

Direct Product

Proposition 1

Proposition 2

Coset

Index

Normal Subgroup

Quotient Group

Lagrange’s Theorem

The First Isomorphism Theorem

5.1 Proposition 1

5.1 Proposition 2

5.1 Proposition 3

5.1 Corollary 6

5.2 Proposition 1

5.2 Proposition 2

5.2 Proposition 3

5.2 Proposition 4

5.2 Theorem 6

5.2 Theorem 7
