U+1D478 "𝑸" Mathematical Bold Italic Capital Q Unicode Character

U+1D478 "𝑸" Mathematical Bold Italic Capital Q is a stylized version of the uppercase letter Q, designed for use in mathematical and scientific notation where a bold italic typeface is required to distinguish variables, vectors, or specific quantities from standard text. It belongs to the Mathematical Alphanumeric Symbols block, which provides a wide range of letter forms to ensure clear typographic differentiation in complex formulas. This character is intended solely for semantic representation in mathematical contexts rather than for decorative or regular text, and its appearance depends on whether the rendering system supports the necessary fonts and properly handles mathematical typesetting.

General Properties

Code Point	U+1D478
Version Added	3.1
Name	Mathematical Bold Italic Capital Q
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Q" U+0051 Latin Capital Letter Q

Encodings

HTML Decimal Encoding	𝑸
HTML Hex Encoding	𝑸
UTF-8 Encoding	0xF0 0x9D 0x91 0xB8
UTF-16 Encoding	0xD835 0xDC78
UTF-32 Encoding	0x0001D478
C/C++/Java Escape	\ud835\udc78

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	"q" U+0071 Latin Small Letter Q
NFKC Simple Casefold	"q" U+0071 Latin Small Letter Q
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