A minor

Equivalent chord symbols: Adim♯5, Caug♯5, Asus2♯2, B♯aug♯5, Esus4♯5, F♭sus4♯5.

Notes in this chord: A, C, E. Integer notation: {0, 4, 9}.

Keys in which this chord fits with this spelling: CM, FM, GM, Dm, Em, Am

Keys in which this chord fits with enharmonic spelling: E♯M, B♯M, F♭m

Nearby chords (one less note): A5, C3, F-1.

Nearby chords (one more note): C6, A+♯2, Am+2, Am+4, C6♯5, C6♭5, F+♭1, Am+♯1, Am+♯4.

Parallel chords (same structure, different root): Cm, Dm, Em, Fm, Gm, Bm, C♭m, D♭m, E♭m, F♭m, G♭m, A♭m, B♭m, C♯m, D♯m, E♯m, F♯m, G♯m, A♯m, B♯m.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):