The C augmented chord (abbreviated "Caug chord") is a triad consisting of the notes C, E, and G. The chord is formed by raising the fifth of a C major chord a half step.

Name
C augmented chord
Synonym
C augmented triad
Notes
C E G
Intervals
1 3 5
Chord symbol
C+
Alternative symbols
Caug C(#5)
Type
Triad (three-note chord)

Caug chord on piano

Caug chord on guitar

Caug chord on ukulele

Caug chord on the staff