U+1D73B "𝜻" Mathematical Bold Italic Small Zeta Unicode Character

Unicode Version 17.0

𝜻

U+1D73B "𝜻" Mathematical Bold Italic Small Zeta is a typographic variant of the Greek letter zeta, specifically designed for use in mathematical and scientific notation where a bold italic style is needed to denote variables, vectors, or special constants. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct character forms to avoid confusion between ordinary text and mathematical expressions. This character is often employed in fields such as physics, engineering, and advanced mathematics to represent specific quantities like damping ratios, angular velocities, or zeta functions. Its inclusion in Unicode allows for precise and unambiguous representation in digital text, ensuring that mathematical formulas can be accurately rendered and understood across different software and platforms.

General Properties

Code Point U+1D73B
Version Added 3.1
Name Mathematical 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 0x9C 0xBB
UTF-16 Encoding 0xD835 0xDF3B
UTF-32 Encoding 0x0001D73B
C/C++/Java Escape \ud835\udf3b

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