root position: Caug
C – E – G♯ · RH 1-3-5, LH 5-3-1
Caug Piano Chord
The C augmented chord (Caug) is made of the notes C, E and G♯. Its formula is 1 – 3 – ♯5.
Notes in Caug
| Note | Formula | Interval from root |
|---|---|---|
| C | 1 | root |
| E | 3 | major 3rd |
| G♯ | ♯5 | augmented 5th |
How to play Caug on piano
- Right hand: fingers 1-3-5
- Left hand: fingers 5-3-1
Fingers are numbered from the thumb (1) to the little finger (5).
Caug inversions
1st inversion: Caug/E
E – G♯ – C · RH 1-2-5, LH 5-3-1
2nd inversion: Caug/G#
G♯ – C – E · RH 1-3-5, LH 5-2-1
Other names for Caug
Caug is also written as C+, C#5, C♯5.
Keys that contain Caug
Caug is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.