U+1D74C "𝝌" Mathematical Bold Italic Small Chi Unicode Character

U+1D74C "𝝌" Mathematical Bold Italic Small Chi is a specialized typographic glyph used primarily in mathematical and scientific notation to represent the Greek letter chi in a bold italic style. Unlike the standard Greek letter χ, this character belongs to the Mathematical Alphanumeric Symbols block, allowing authors to distinguish variables, constants, or statistical terms in documents where a different typeface is needed for clarity in formulas, such as in probability theory, physics, or engineering. When included in a digital text, it retains its semantic role as a mathematical symbol while ensuring compatibility across fonts and software that support the Unicode standard.

General Properties

Code Point	U+1D74C
Version Added	3.1
Name	Mathematical Bold Italic Small Chi
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"χ" U+03C7 Greek Small Letter Chi

Encodings

HTML Decimal Encoding	𝝌
HTML Hex Encoding	𝝌
UTF-8 Encoding	0xF0 0x9D 0x9D 0x8C
UTF-16 Encoding	0xD835 0xDF4C
UTF-32 Encoding	0x0001D74C
C/C++/Java Escape	\ud835\udf4c

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	"χ" U+03C7 Greek Small Letter Chi
NFKC Simple Casefold	"χ" U+03C7 Greek Small Letter Chi
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