Chord · 11ths
G♯m7♭5/11 — G♯ Half-Diminished / 11th
G♯m7♭5/11 is the G♯ half-diminished / 11th chord. It is built on the root G♯ with minor 3rd (B), diminished 5th (D), minor 7th (F♯) and perfect 11th (C♯) above it — the formula 1 ♭3 ♭5 ♭7 11, sounding the notes G♯ B D F♯ C♯. On the piano it sits at G# (octave 4) and above in the library's voicing; the same 5 notes in any octave are still G♯m7♭5/11.
- Root
- G♯
- Quality
- Half-Diminished / 11th
- Formula
- 1 ♭3 ♭5 ♭7 11
- Notes
- G♯ B D F♯ C♯
On the keyboard
The notes of G♯m7♭5/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | G♯ | root | G♯4 |
| ♭3 | B | minor 3rd | B4 |
| ♭5 | D | diminished 5th | D5 |
| ♭7 | F♯ | minor 7th | F♯5 |
| 11 | C♯ | perfect 11th | C♯6 |
Other 11ths on G♯
Half-Diminished / 11th chords on every root
Part of the chord reference. See also the scales and the keys.