root position: Abm7b5
A♭ – C♭ – E𝄫 – G♭
Abm7b5 Piano Chord
The A flat half-diminished 7 chord (A♭m7♭5) is made of the notes A♭, C♭, E𝄫 and G♭. Its formula is 1 – ♭3 – ♭5 – ♭7.
Notes in A♭m7♭5
| Note | Formula | Interval from root |
|---|---|---|
| A♭ | 1 | root |
| C♭ | ♭3 | minor 3rd |
| E𝄫 | ♭5 | diminished 5th |
| G♭ | ♭7 | minor 7th |
How to play A♭m7♭5 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
A♭m7♭5 inversions
1st inversion: Abm7b5/Cb
C♭ – E𝄫 – G♭ – A♭
2nd inversion: Abm7b5/Ebb
E𝄫 – G♭ – A♭ – C♭
3rd inversion: Abm7b5/Gb
G♭ – A♭ – C♭ – E𝄫
Other names for Abm7b5
A♭m7♭5 is also written as A♭m7♭5, Abø7, A♭ø7, Abø, A♭ø, Abmin7b5, A♭min7♭5, Ab-7b5, A♭-7♭5, G#m7b5, G♯m7♭5, G#ø7, G♯ø7, G#ø, G♯ø, G#min7b5, G♯min7♭5, G#-7b5, G♯-7♭5.