C♯ Phrygian on the Circle of Fifths

C♯ Phrygian: C♯ D E F♯ G♯ A B, 3 sharps (F♯ C♯ G♯). See its neighbours on the circle and every mode that shares its notes.

C♯ Phrygian

Same notes, other roots

Next to it on the circle

See it on an instrument