A new political party was formed.
Several factions are in conflict within the party.
The assembly split into two factions and clashed.
They formed a new faction and ran in the election.
The bill was supported across party lines.
派閥 specifically denotes a clique within an organization with a negative connotation of in-group politics, whereas 党派 is more neutral and can describe any organized group.
一派 emphasizes a single unified group or school of thought (often ideological or artistic), while 党派 focuses on organized political or factional divisions.
党派 refers specifically to political party factionalism, whereas 派 alone can describe political or non-political groups alike.
suprapartisan; multiparty; bipartisan; nonpartisan
political independents; nonpartisan
factionalism; partisan spirit
royalists; royalist faction
partisan spirit; factionalism
Composed of 党 (party, faction) and 派 (sect, faction). The combination reinforces the meaning of an organized group or faction.