Aaug chord
A augmented
<
1 / 1
>
3
5
7
10
The Aaug chord has the formula 1, 3, #5 with notes A, C#, F
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.