Permutation groups are important in the study of abstract algebra.

There are many interest groups in the city advocating for various causes.

Many campaign groups are working together to advocate for change.

Many lobby groups are actively advocating for change.

The working groups meet every Monday to discuss their progress.

Additive groups are fundamental structures in abstract algebra.

The neighbouring groups gathered for a community meeting.

The action groups are working together to achieve their goals.

Quotient groups are an important concept in group theory.

The alternating groups are important in the study of group theory.