Dominant seventh flat five sharp ninth chord

A dominant seventh flat five sharp ninth chord is composed using a root/1^st, major 3^rd, diminished 5^th, minor 7^th, augmented 9^th (or R/1-3-♭5-♭7-♯9) intervals played simultaneously. Generally written as C^7(♭5♯9) or C^7(-5+9), it is good practice to simply use an uppercase C followed by a super scripted ^7(♭5♯9) to represent it in writing (ie: C^7(♭5♯9)).

Dominant seventh flat five sharp ninth chord profile

Intervals	root/1^st, major 3^rd, diminished 5^th, minor 7^th, augmented 9^th or R/1-3-♭5-♭7-♯9
Stability	Dissonant, unresolved
Grouping class	Pentad
Common names (examples in C)	C^7(♭5♯9), C^7(-5+9)