C Dominant Seventh Chord

C7 · C E G B♭

The c dominant seventh chord is written C7 and is built from the notes C E G B♭. Below is the chord on a piano keyboard, followed by every inversion.

CRootE3rdG5thB♭7th

Inversions

Root position

C - E - G - B♭ (bass C)

1st inversion

E - G - B♭ - C (bass E)

2nd inversion

G - B♭ - C - E (bass G)

3rd inversion

B♭ - C - E - G (bass B♭)

Related chords

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