Piano chord

    C♯ diminished chord

    C♯dim is a diminished triad: the root C♯, a minor 3rd up to E and a diminished 5th up to G.

    Symbol
    C♯dim
    Notes
    C♯ – E – G

    Play it yourself

    Tap C♯, E and G on the keys below, in any order.

    • C♯
    • E
    • G
    0 of 3 notes

    Diminished chords sound tense and unstable, as if they want to move on. In a major key the diminished chord is the one built on the seventh note, and it usually leads back home.

    Inversions of C♯dim

    An inversion keeps the same notes but puts a different one at the bottom. Pianists use them to move between chords with less jumping.

    • Root position

      C♯ – E – G

    • 1st inversion · C♯dim/E

      E – G – C♯

    • 2nd inversion · C♯dim/G

      G – C♯ – E

    Keys with C♯dim

    C♯dim occurs naturally in these keys. The Roman numeral shows which step of the scale it is built on.

    Questions