Finger Positions

Cdim/G diagram
Root Note C
Name C diminished over G
Intervals 1P-3m-5d
Relative Minor Am
Notes G, C, Eb, Gb
Aliases Cdim, C°, Co

How to play the Cdim/G Chord

The Cdim/G is a fundamental diminished chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the C diminished over G is built using the 1P, 3m, 5d intervals. In the key of C Major, this chord functions as the I chord.

Common Progressions

In music composition, the Cdim/G chord is often used to create tension or resolution.

I-V-vi-IV

C G Am F

vi-IV-I-V

Am F C G

The Diatonic Family

Understanding the "family" of chords that belong to C helps with transposition and ear training.

Triads

Scale Compatibility

View All Scales
Minor Blues Diminished Locrian Locrian Pentatonic Super Locrian Pentatonic Altered Locrian #2 Ultralocrian Locrian 6 Dorian #4 Lydian Diminished Hungarian Minor Hungarian Major Flamenco Todi Raga

* 15 scales found containing the notes G, C, Eb, Gb.

Acoustic & Digital Analysis

Digital footprint of the Cdim/G chord for MIDI programming and synthesizer sound design.

MIDI Numbers 67, 60, 63, 66
Frequencies (Hz)

391.99543598174927, 261.6255653005986, 311.1269837220809, 369.9944227116344