C♯aug7/E♯ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 31 playable shapes

About the chord

C♯ augmented 7th / E♯ (1st inversion)

The C♯ augmented 7th augmented 7th chord combines the augmented triad with a minor seventh B, creating a powerful, dissonant tension. Its bold, unresolved sound is frequently used in jazz, blues, and film scores for dramatic impact. With E♯ in the bass, this voicing functions as the 1st inversion of C♯ augmented 7th.

Root note: C♯
Bass note: E♯
Chord tones: 4
Playable shapes: 31

Chord tones

C♯E♯G𝄪B

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

C♯ Unison (Root) 1

The root anchors the chord and defines its tonal center.

E♯ Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

G𝄪 Augmented Fifth ♯5

The raised fifth adds lift, drama, and a more unsettled color.

B Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

Related Articles

Articles that reference this chord and explain how to use it in your playing.