C♯maj11: C♯/D♭ Major 11th Piano Chord

Construction

C♯ Major 11th = Root + Major 3rd + Perfect 5th + Major 7th + Major 2nd + Perfect 4th = C♯, E♯, G♯, B♯, D♯, F♯

Note	Interval	Degree
C♯	Root	1
E♯	Major 3rd	3
G♯	Perfect 5th	5
B♯	Major 7th	7
D♯	Major 2nd	9
F♯	Perfect 4th	11

Key Signature

A chord has no key signature of its own, but the C♯ Major 11th is the tonic (I) chord of C♯ Major, whose key signature has 7 sharps (F♯, C♯, G♯, D♯, A♯, E♯, B♯).

F♯C♯G♯D♯A♯E♯B♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

F♯C♯G♯D♯A♯E♯B♯

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of C♯ Major

These are the triads built on each degree of C♯ Major:

I — C♯ Major (major)

Degree	Numeral	Chord	Quality
1	I	C♯ Major	Major
2	ii	D♯ Minor	Minor
3	iii	E♯ Minor	Minor
4	IV	F♯ Major	Major
5	V	G♯ Major	Major
6	vi	A♯ Minor	Minor
7	vii°	B♯ Diminished	Diminished

Scales That Include the C♯ Major 11th

C♯ Major 11th : Frequently Asked Questions

What is the C♯ Major 11th chord on piano?

The C♯ Major 11th chord contains the notes C♯ – E♯ – G♯ – B♯ – D♯ – F♯. On piano, play these notes together to sound the chord.

What is the C# piano chord?

The C# piano chord (written C♯ Major 11th) uses the same keys: C♯ – E♯ – G♯ – B♯ – D♯ – F♯. The # and ♯ symbols name the same black key.

What notes are in the C# Major 11th chord?

C# Major 11th is built from the C# root. Check the interactive keyboard above for exact notes and fingering.

How is the C# Major 11th chord used in music?

C# Major 11th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Major 11th).

What is the fingering for C# Major 11th?

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

What are the inversions of C# Major 11th?

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