U+1D5DD "𝗝" Mathematical Sans-Serif Bold Capital J Unicode Character

U+1D5DD "𝗝" Mathematical Sans-Serif Bold Capital J is a typographic symbol belonging to the Mathematical Alphanumeric Symbols block, designed for use in scientific and mathematical notation where a bold, sans-serif style is required for the capital letter J. This character allows writers and publishers to clearly distinguish variables, constants, or specific terms within equations and technical texts, particularly in fields like physics, computer science, or advanced mathematics, without relying on font styling that might be lost in plain text environments. Its inclusion in Unicode ensures consistent display across different platforms and software, supporting precise communication of complex concepts.

General Properties

Code Point	U+1D5DD
Version Added	3.1
Name	Mathematical Sans-Serif Bold Capital J
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"J" U+004A Latin Capital Letter J

Encodings

HTML Decimal Encoding	𝗝
HTML Hex Encoding	𝗝
UTF-8 Encoding	0xF0 0x9D 0x97 0x9D
UTF-16 Encoding	0xD835 0xDDDD
UTF-32 Encoding	0x0001D5DD
C/C++/Java Escape	\ud835\udddd

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	"j" U+006A Latin Small Letter J
NFKC Simple Casefold	"j" U+006A Latin Small Letter J
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