guitar chord
Aaug
A1C♯3E♯♯5
Two major thirds stacked. Symmetrical: every note can be heard as the root.
Every fingering that fits a hand
x0322x
open
x03221
moderate
x03225
hard
50322x
hard
x03665
hard
What is true of it
Aaug is A, C♯ and E♯ — 1, 3 and #5 counted from A.
The easiest of the 5 fingerings below is x0322x: 3 fingers, held at the 2nd fret.
1 of them use open strings, which is what makes a shape quiet to change to.
2 strings stay silent.
Where its notes are on the neck
The brass dots are A, the root. Everything else is a chord tone with its degree printed in it.
With a different note underneath
Aaug/C♯
x4322x
Aaug/E♯
10322x
An inversion is the same chord with a different note lowest. The name changes to a slash name because the bass is what a listener hears as the foundation.