Definition 19: Let H; be a normal subgroup of the group G;.G/H; O is called quotient group where the operation e is defined on G/h by Hg oHg2' H(g *g2) o If G is a finite group, then G/H is aiso a finite group, and G/HFG H Definition 19: Let [H;*] be a normal subgroup of the group [G;*]. [G/H;] is called quotient group, where the operation  is defined on G/H by Hg1Hg2 = H(g1*g2 ).  If G is a finite group, then G/H is also a finite group, and |G/H|=|G|/|H|