U+1D496 "𝒖" Mathematical Bold Italic Small U Unicode Character

U+1D496 "𝒖" Mathematical Bold Italic Small U is a typographic glyph that represents the lowercase letter "u" in a bold italic style, specifically designated for use in mathematical notation. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to distinguish letters used as variables or constants from regular text, thereby avoiding ambiguity in technical documents. This character is typically rendered with a slanted, heavier stroke to emphasize its mathematical role, and it is commonly employed in equations, scientific papers, and academic works where a clear visual distinction between standard text and symbolic mathematical expressions is required.

General Properties

Code Point	U+1D496
Version Added	3.1
Name	Mathematical Bold Italic Small U
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"u" U+0075 Latin Small Letter U

Encodings

HTML Decimal Encoding	𝒖
HTML Hex Encoding	𝒖
UTF-8 Encoding	0xF0 0x9D 0x92 0x96
UTF-16 Encoding	0xD835 0xDC96
UTF-32 Encoding	0x0001D496
C/C++/Java Escape	\ud835\udc96

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"u" U+0075 Latin Small Letter U
NFKC Simple Casefold	"u" U+0075 Latin Small Letter U
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	Lower