Piano chords › C half-diminished

C half-diminished chord

Symbol: Cm7♭5 · Notes: C – E♭ – G♭ – B♭

A diminished chord with a minor seventh, also written ø: it is the ii chord of minor keys, right before the dominant (the minor ii – V – i).

How it is built

• C: root
• E♭: minor third
• G♭: diminished fifth
• B♭: minor seventh

Fingering: right hand 1 2 3 5, left hand 5 3 2 1 (1 = thumb, 5 = pinky).

Its inversions

• Root position: C – E♭ – G♭ – B♭
• 1st inversion: E♭ – G♭ – B♭ – C
• 2nd inversion: G♭ – B♭ – C – E♭
• 3rd inversion: B♭ – C – E♭ – G♭

In which keys

• VII in D♭ major
• II in B♭ minor

Other C chords

C · Cm · C7 · Cmaj7 · Cm7 · Csus2 · Csus4 · Cdim · C+ · C6 · Cm6 · Cadd9 · Cdim7

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