A Dominant Seventh Chord

Also known as:
A Dominant 7th , A7 , Adom

The A Dominant Seventh Chord has a dominant quality which includes a Major Third interval but has a minor Seventh rather than a Major Seventh. A Dominant Seventh Chord contains the notes A, C, E, G. The A Dominant Seventh Chord 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 A Dominant Seventh Chord notes, notation, degrees, intervals, related scales and chords, and more.

Notes

A, C, E, G

Can be omitted: E

Notation

Degrees

NoteNumberName
A1Tonic
C3Mediant
E5Dominant
G7Subtonic

Intervals

NotesSemitonesInterval
A > A0Perfect Unison (P1)
A > C4Major 3rd (M3)
A > E7Perfect 5th (P5)
A > G10minor 7th (m7)

Scales related to A Dominant Seventh Chord

Chords related to A Dominant Seventh Chord

Enharmonic Equivalent

Chord with the same root and notes as the A Dominant Seventh Chord but different spelling.

G♯ Dominant Seventh Chord

Same Notes

Chords that have all of the same notes (in any spelling) as the A Dominant Seventh Chord.

G♯ Dominant Seventh Chord

If you want to learn what chords are and much more, check out our free Fundamentals of Music Theory course. If you already know some of the basics, you can jump straight into the chords lesson.

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