U+1D654 "𝙔" Mathematical Sans-Serif Bold Italic Capital Y Unicode Character

U+1D654 "𝙔" Mathematical Sans-Serif Bold Italic Capital Y is a typographic glyph specifically designed for use in mathematical and scientific notation, where it represents a stylized version of the Latin capital letter Y. This character belongs to the Mathematical Alphanumeric Symbols block, which was introduced to allow precise formatting in digital text without relying on font styling that might be lost or misinterpreted. Its sans-serif design removes decorative flourishes, the bold weight provides emphasis, and the italic slant distinguishes it from standard text, making it useful for denoting vectors, matrices, or variables in equations where a distinct, unambiguous symbol is required.

General Properties

Code Point	U+1D654
Version Added	3.1
Name	Mathematical Sans-Serif Bold Italic Capital Y
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Y" U+0059 Latin Capital Letter Y

Encodings

HTML Decimal Encoding	𝙔
HTML Hex Encoding	𝙔
UTF-8 Encoding	0xF0 0x9D 0x99 0x94
UTF-16 Encoding	0xD835 0xDE54
UTF-32 Encoding	0x0001D654
C/C++/Java Escape	\ud835\ude54

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	"y" U+0079 Latin Small Letter Y
NFKC Simple Casefold	"y" U+0079 Latin Small Letter Y
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