Answer:
Group is the collection of multiple people. So, there must be more than two people to form a group.
Step-by-step explanation:
The most important feature to form a group is to have the common point of interest and goal among the members. This makes the involvement of group members in right way building a good relation among them.
It is important to have the healthy interaction among the group members to meet the ultimate goal of the group. Also the interdependency among the members is essential.