U+1D733 "𝜳" Mathematical Bold Italic Capital Psi Unicode Character

U+1D733 "𝜳" Mathematical Bold Italic Capital Psi is a typographical symbol used primarily in mathematical and scientific notation to represent the capital Greek letter Psi in a bold italic typeface. It belongs to the Mathematical Alphanumeric Symbols block, which provides dedicated encodings for characters that might otherwise be confused with regular text or that require distinct styling for clarity in complex formulas. This particular glyph is often employed to denote wave functions in quantum mechanics, psychological constructs like the study of parapsychology, or other specialized variables where a bold italic form helps differentiate it from the standard uppercase Psi (Ψ) used in general Greek text.

General Properties

Code Point	U+1D733
Version Added	3.1
Name	Mathematical Bold Italic Capital Psi
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Ψ" U+03A8 Greek Capital Letter Psi

Encodings

HTML Decimal Encoding	𝜳
HTML Hex Encoding	𝜳
UTF-8 Encoding	0xF0 0x9D 0x9C 0xB3
UTF-16 Encoding	0xD835 0xDF33
UTF-32 Encoding	0x0001D733
C/C++/Java Escape	\ud835\udf33

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ψ" U+03C8 Greek Small Letter Psi
NFKC Simple Casefold	"ψ" U+03C8 Greek Small Letter Psi
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper