The experiment included two control groups.

The boron groups in the periodic table are located in Group 13.

Cyclic groups are important in abstract algebra.

The demo groups performed their latest songs at the concert.

The dihedral groups are a family of symmetry groups.

Encounter groups are a popular form of therapy.

The group captains gathered for a meeting.

The company issued group certificates to all its employees.

The group velocities of the particles were measured in the experiment.

The group stages of the tournament will determine which teams advance to the knockout rounds.