It depends, but all groups are 2 or more.
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That may be true elsewhere but in the special context of Group theory, you can have a group consisting of only one element - the identity.
how many is in the group and what are their names?
how many members must be in an interest group how many members must be in an interest group
Depends how many people are in the group
Number of generators of that group
The word group has one syllable.
An archipelago is a group of many islands clustered together in a chain or cluster.
Ten, if you count the group leader.
26 terriers are in the terrier group
The word group has one syllable.
to group a specific animal in a group of many of that animal
The group is not mentioned. More information is needed.
The average of a group of numbers is(the sum of all the numbers in the group)/(how many numbers there are in the group)