A# Diminished Piano Chord
Root
A#Min 3rd
C#b 5th
EE
G
B
D
F
F
A
C
E
A#
C#
E
The Notes in an A# Diminished Chord
The Root
You'll have no trouble finding the root of an A# Diminished chord, because it's what gives an A# Diminished chord it's name: It's the note A#.
The Min 3rd
The minor third of an A# Diminished chord is C#. The minor third is up three half-steps from the Root.
Finding C# from A# step by step:
- Start on: A#
- Step 1: move up to B
- Step 2: move up to B#
- Step 3: Land on C#
Min 3rd
C#Root
A#1
2
- B is a minor second above A#.
- B# is a major 2nd above A#.
- C# is a minor third above A#.
The b 5th
The flat fifth of an A# Diminished chord is E. The flat fifth is down six half-steps from the Root -- but it's easier to just think of it as a variation on the fifth. Once you know your fifths, the flat fifth and sharp fifth are a lot easier to find.
Finding E from A# step by step:
- Start on: A#
- Step 1: move down to GX
- Step 2: move down to G#
- Step 3: move down to FX
- Step 4: move down to F#
- Step 5: move down to E#
- Step 6: Land on E
b 5th
ERoot
A#1
2
3
4
5
- GX is a minor second below A#.
- G# is a major 2nd below A#.
- FX is a minor third below A#.
- F# is a major third below A#.
- E# is a fourth below A#.
- E is a flat fifth below A#.
The Inversions of A# Diminished
Root Position
Root
A#Min 3rd
C#b 5th
EE
G
B
D
F
F
A
C
E
A#
C#
E
1st Inversion
Min 3rd
C#b 5th
ERoot
A#E
G
B
D
F
F
A
C
E
C#
E
A#
2nd Inversion
b 5th
ERoot
A#Min 3rd
C#E
G
B
D
F
F
A
C
E
E
A#
C#