U+1D6C7 "𝛇" Mathematical Bold Small Zeta Unicode Character

U+1D6C7 "𝛇" Mathematical Bold Small Zeta is a typographic representation of the Greek letter zeta in a bold font weight, specifically designed for use in mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to provide distinct, semantically clear glyphs for variables and constants in equations, distinguishing them from ordinary text. This character is often employed in fields such as physics, engineering, and advanced mathematics to denote damping ratios, specific functions, or other symbolic quantities, ensuring consistency in formatting when bold style is required for emphasis or to follow notation conventions.

General Properties

Code Point	U+1D6C7
Version Added	3.1
Name	Mathematical Bold 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 0x9B 0x87
UTF-16 Encoding	0xD835 0xDEC7
UTF-32 Encoding	0x0001D6C7
C/C++/Java Escape	\ud835\udec7

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