U+1D7AF "𝞯" Mathematical Sans-Serif Bold Italic Small Zeta Unicode Character

U+1D7AF "𝞯" Mathematical Sans-Serif Bold Italic Small Zeta is a distinct typographic variant of the Greek letter zeta, designed specifically for use in mathematical and scientific notation where a sans-serif, bold, and italic style is required. It belongs to the Mathematical Alphanumeric Symbols block, allowing it to be clearly differentiated from ordinary Greek letters in plain text, which is essential for representing variables, constants, or specialized functions in fields such as mathematics, physics, and engineering. This character ensures consistent formatting and semantic precision when embedded in digital documents or equations that demand a modern, uniform sans-serif appearance combined with emphasis through boldness and italics.

General Properties

Code Point	U+1D7AF
Version Added	3.1
Name	Mathematical Sans-Serif Bold Italic Small Zeta
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ζ" U+03B6 Greek Small Letter Zeta

Encodings

HTML Decimal Encoding	𝞯
HTML Hex Encoding	𝞯
UTF-8 Encoding	0xF0 0x9D 0x9E 0xAF
UTF-16 Encoding	0xD835 0xDFAF
UTF-32 Encoding	0x0001D7AF
C/C++/Java Escape	\ud835\udfaf

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	"ζ" U+03B6 Greek Small Letter Zeta
NFKC Simple Casefold	"ζ" U+03B6 Greek Small Letter Zeta
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