MIXOLYDIAN b5 is composed of the following intervals: 1, 2,3, 4, b5, 6, b7.
MIXOLYDIAN b5 is the 5th mode of IONIAN b2.
The boxes below show you the scale over the whole neck, as a 3 octave scale and as the 7 three note per string positions that link together to let you play it any where on the fretboard.