Abaug chord
Ab augmented
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ukulele fretboard
G
Gb
G
Ab1
A
Bb
B
C
Db
D
Eb
E
F
Gb
G
Ab
C
C3
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
C
C
E
Eb
E#5
F
Gb
G
Ab
A
Bb
B
C
Db
D
Eb
E
E
A
Ab
A
Bb
B
C3
Db
D
Eb
E
F
Gb
G
Ab
A
C
3
5
7
10
The Abaug chord has the formula 1, 3, #5 with notes Ab, C, E
The augmented chord is a notoriously dissonant chord because its notes do not fit in either the major or minor scale. In jazz, it is most commonly used as a passing chord and can also be used as a pivot chord to modulate the key.