interval
G minor sixth
GlowerE♭upperm68 half steps
Eight half steps. The major third turned upside down.
On the keyboard
What is true of it
G up a minor sixth is E♭: 8 half steps, and 6 letters counting both ends.
Turn it upside down — put the G on top — and it becomes a major third. The two numbers always add to nine, and the two sizes to twelve.
It is a imperfect consonance.
Every interval on G
G → A♭minor second · dissonanceG → Amajor second · dissonanceG → B♭minor third · imperfect consonanceG → Bmajor third · imperfect consonanceG → Cperfect fourth · perfect consonanceG → C♯augmented fourth · dissonanceG → D♭diminished fifth · dissonanceG → Dperfect fifth · perfect consonanceG → Emajor sixth · imperfect consonanceG → Fminor seventh · dissonanceG → F♯major seventh · dissonance