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A♯ diminished chord

The A♯dim chord (diminished) is made of the notes A♯, C♯, E. Its formula compared with the major scale is 1 ♭3 ♭5.

A♯dim

Triads · 3 notes

Note names

How it is built

DegreeNoteInterval from the root
1A♯Unison
♭3C♯Minor third
♭5EDiminished fifth

Inversions

  • A♯dimA♯ C♯ ERoot position
  • A♯dim/C♯C♯ E A♯First inversion
  • A♯dim/EE A♯ C♯Second inversion

Which keys it belongs to

A♯dim is a diatonic chord, that is, it comes from a degree of the scale, in these keys:

Frequently asked questions

Which notes make up the A♯dim chord?
The notes are A♯, C♯, E.
What is the formula of the A♯dim chord?
The formula is 1 ♭3 ♭5: minor third, diminished fifth.

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