G# Major 13th

Notes:G# – C – D# – G – A# – C# – F
Formula:R-M3-P5-M7-M9-P11-M13
Intervals:P1-M3-P5-M7-M9-P11-M13
Scale Degrees:1-3-5-7-9-11-13

Introduction

The G# Major 13th piano chord (G#maj13) consists of the notes G#, C, D#, G, A#, C#, F. It is a major 11th chord with an added major 13th, giving it a lush, complete character that includes all seven diatonic scale degrees. Formula: R-M3-P5-M7-M9-P11-M13 | Scale degrees: 1-3-5-7-9-11-13.

Enharmonic equivalent: G♯ is enharmonically equivalent to A♭. See Ab Major 13th.

Notes

Notes:G# – C – D# – G – A# – C# – F

G# Major 13th Inversions

PositionNotes
Root PositionG#4 – C5 – D#5 – G5 – F6 – A#5 – C#6
1st InversionC5 – D#5 – G5 – G#5 – F6 – A#5 – C#6
2nd InversionD#5 – G5 – G#5 – A#5 – C6 – F6 – C#6

Key Signature

The key of G# Major 13th has Key signature data not available.

Theory: Intervals

Formula: R-M3-P5-M7-M9-P11-M13
Intervals: P1-M3-P5-M7-M9-P11-M13

The G# Major 13th is built by stacking intervals from the root note. The formula R-M3-P5-M7-M9-P11-M13 describes the scale degrees used. The intervals P1-M3-P5-M7-M9-P11-M13 show the distance between each note in the chord.

G# Major 13th — Frequently Asked Questions

What notes are in the G# Major 13th chord?

G# Major 13th is built from the G# root. Check the interactive keyboard above for exact notes and fingering.

How is the G# Major 13th chord used in music?

G# Major 13th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Major 13th).

What is the fingering for G# Major 13th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of G# Major 13th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Practice Tips

  • The fullest extended chord — includes the 13th.
  • Drop the 11th and sometimes the 5th.
  • Rich, complex jazz sound.
  • Compare with the 9th version.
  • Jazz big band voicing.
  • The 13th adds warmth on top.