Group theory B. sc. 1 year समूह सिद्धांत
group theory BSc 1st year samuh Siddhant
समूह सिद्धांत #THE_MATHGroup Theory Normal Subgroup Simple Group Hamiltonian Abstract Algebra properties Theorems
1. Normal subgroup
2. Definition of normal subgroup
3. Proper and improper normal subgroup
4. Simple subgroup
5. Hamiltonian
6. Properties of normal subgroup
1. Every subgroup of an abelian group is normal subgroup
2. A subgroup h of a group G is a normal subgroup if and only if xHx1=H
3. A subgroup H of group G is a normal subgroup if and only if each left is set of right concept of H
4. A subgroup H of a group G is a normal subgroup of G if and only if the product of two right cosets of H in is again a right cosets of H i n G
5. theorems on normal subgroup
The intersection of any two normal subgroup of group is a normal subgroup
All theorems of normal sub group
#grouptheory #normalsubgroup