U+1D5EC "𝗬" Mathematical Sans-Serif Bold Capital Y Unicode Character

U+1D5EC "𝗬" Mathematical Sans-Serif Bold Capital Y is a typographic variant of the capital letter Y, designed for use in mathematical and scientific notation where a clean, modern sans-serif style with bold weight is required. It belongs to the Mathematical Alphanumeric Symbols block, which was created to provide distinct letterforms that can be clearly distinguished from ordinary text in formulas, equations, or technical documents. This character is not intended for regular prose but serves a specialized purpose in digital typesetting, ensuring that the Y appears consistent with other mathematical sans-serif bold characters in complex expressions.

General Properties

Code Point	U+1D5EC
Version Added	3.1
Name	Mathematical Sans-Serif Bold 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 0x97 0xAC
UTF-16 Encoding	0xD835 0xDDEC
UTF-32 Encoding	0x0001D5EC
C/C++/Java Escape	\ud835\uddec

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