root position: C#aug
C♯ – E♯ – G𝄪 · RH 1-3-5, LH 5-3-1
The C sharp augmented chord (C♯aug) is made of the notes C♯, E♯ and G𝄪. Its formula is 1 – 3 – ♯5.
| Note | Formula | Interval from root |
|---|---|---|
| C♯ | 1 | root |
| E♯ | 3 | major 3rd |
| G𝄪 | ♯5 | augmented 5th |
Fingers are numbered from the thumb (1) to the little finger (5).
C♯ – E♯ – G𝄪 · RH 1-3-5, LH 5-3-1
E♯ – G𝄪 – C♯ · RH 1-2-5, LH 5-3-1
G𝄪 – C♯ – E♯ · RH 1-3-5, LH 5-2-1
C♯aug is also written as C♯aug, C#+, C♯+, C##5, C♯♯5, Dbaug, D♭aug, Db+, D♭+, Db#5, D♭♯5.
C♯aug is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.