Piano chords › C♯ half-diminished

C♯ half-diminished chord

Symbol: C♯m7♭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

D♭ · C♯m · D♭7 · D♭maj7 · C♯m7 · D♭sus2 · D♭sus4 · C♯dim · D♭+ · D♭6 · C♯m6 · D♭add9 · C♯dim7

Learn chords step by step with the free course