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Intervals

P1
1:1.00
M2
1:1.12
M3
1:1.26
P4
1:1.33
P5
1:1.50
M6
1:1.68
m7
1:1.78

Roman Numerals

Numeral	I^⁷	ii^-	iii^ø	IV^Δ	v^-	vi^-	VII^Δ
Degree	1	2	3	4	5	6	7
Name	Dom 7	Min 7	Half-Dim 7	Maj 7	Min 7	Min 7	Maj 7

Diatonic Modes

Child Chords

Name	Intervals
Major Triad	P1				M3			P5
Dominant 7th	P1				M3			P5			m7
Major 6th	P1				M3			P5		M6
Suspended 2nd	P1		M2					P5
Dominant 7th Suspended 4th	P1					P4		P5			m7
Suspended 4th	P1					P4		P5
Dominant 9	P1		M2		M3			P5			m7
Dominant 11	P1				M3	P4		P5			m7
Dominant 13	P1				M3			P5		M6	m7

Child Scales

Name	Intervals
Major Pentatonic	P1		M2		M3			P5		M6
Egyptian	P1		M2			P4		P5			m7
Ritusen	P1		M2			P4		P5		M6

Parent Scales

Name	Intervals
Dominant Bebob	P1		M2		M3	P4		P5		M6	m7	M7