subparty

A party (group of people, as in politics or the military) forming part of a larger party.

Japanese Meaning

大きな政党の一部をなす小規模な政治団体 / 主要政党に属する下部組織または分党

The subparty negotiated its own terms with the coalition leadership, hoping to influence the broader agenda.

その派閥は連立の指導部と独自の条件を交渉し、より広い議題に影響を与えようとした。

Sense（1）

A party (group of people, as in politics or the military) forming part of a larger party.

subparties

（ plural ）