C#
Ionian pentatonic
 Scale
notes:C#E#F#G#B#
intervals:1P3M4P5P7M
semitones:41241
AEB#GBbE#C#G#BF#DA3B#GEbBbC#G#EB5DAE#B#EbBbF#C#7EBGDE#B#G#EbF#C#AE10GDBbE#G#D#BF#1212AEB#GBbE#C#G#BF#DA15B#GEbBbC#G#EB17DAE#B#EbBbF#C#

Harmonized chords

IIIIIIIVV
in 3-notes-E#m#5---
in 4-notes-E#mb6b9---

other scale chords

C#majC#5C#sus4C#maj7C#M7sus4

Scale modes

C# Ionian pentatonicE# Balinese (Pelog)

Related

with more notes

C# MajorC# Harmonic majorC# Double harmonicC# BebopC# Bebop majorC# Japanese (Ichikosucho)C# Japanese (Taishikicho)C# Kafi ragaC# Purvi ragaC# Mela Suryakantam (17)C# Mela Hatakambari (18)C# Mela Naganandini (30)C# Mela Gangeyabhusani (33)C# Mela Sulini (35)C# Mela Chalanata (36)