Phrygian
Phrygian is a minor mode with a b2 instead of a natural 2, the darkest of the common minor modes. That half-step above the root gives Phrygian its flamenco-adjacent, tense sound.
3rd mode of the Major scale
Minor
Intervals
1 b2 b3 4 5 b6 b7
Chords
Triads
7th Chords