A Half Diminished Seventh (Minor Seventh Flat Five) Chord on Piano

Also known as:
A Half Diminished 7th , A Half Diminished , A Minor Seventh Flat Five , A Minor 7th Flat 5 , Aø , Aø7 , Am75 , Amin75 , Ami75 , A−75

Here you can learn how to play A Half Diminished Seventh (Minor Seventh Flat Five) Chord on the Piano. The A Half Diminished Seventh (Minor Seventh Flat Five) Chord has a half diminished quality which includes minor Third and diminished (lowered or flattened) Fifth intervals but has a minor Seventh rather than a diminished Seventh. A Half Diminished Seventh (Minor Seventh Flat Five) Chord contains the notes A, C, E, G. The A Half Diminished Seventh (Minor Seventh Flat Five) Chord on Piano is a Seventh type chord which means it consists of a Triad (the Root A, the Third C, and the Fifth E) and the Seventh G.

Below you will find the notes, notation, degrees and intervals of the A Half Diminished Seventh (Minor Seventh Flat Five) Chord along with any related scales and chords. In the Piano view you can display the notes of the A Half Diminished Seventh (Minor Seventh Flat Five) Chord mapped out onto the Piano keyboard and switch between the notes, degrees, intervals. These are shown across two octaves to help visualise the different inversions of the chord.

Notes

A, C, E, G

Notation

Degrees

NoteNumberName
A1Tonic
C3Mediant
E5Dominant
G7Subtonic

Intervals

NotesSemitonesInterval
A > A0Perfect Unison (P1)
A > C3minor 3rd (m3)
A > E6Diminished 5th (d5 or Tritone)
A > G10minor 7th (m7)
Root
Third
Fifth
Seventh
C
G
A
C
G
A
E
E
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Music Theory

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Scales related to A Half Diminished Seventh (Minor Seventh Flat Five) Chord

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