U+1D774 "𝝴" Mathematical Sans-Serif Bold Small Epsilon Unicode Character

U+1D774 "𝝴" Mathematical Sans-Serif Bold Small Epsilon is a typographic variant of the Greek letter epsilon, designed in a sans-serif, bold typeface specifically for use in mathematical and scientific notation. It belongs to the "Mathematical Alphanumeric Symbols" block, which standardizes distinct letterforms to prevent ambiguity when they serve as symbols for variables, constants, or operators in equations. This character allows authors to clearly denote a bold sans-serif epsilon, often employed in fields like physics or engineering to represent parameters such as permittivity or strain, without relying on generic text formatting that might not preserve semantic meaning.

General Properties

Code Point	U+1D774
Version Added	3.1
Name	Mathematical Sans-Serif Bold Small Epsilon
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ε" U+03B5 Greek Small Letter Epsilon

Encodings

HTML Decimal Encoding	𝝴
HTML Hex Encoding	𝝴
UTF-8 Encoding	0xF0 0x9D 0x9D 0xB4
UTF-16 Encoding	0xD835 0xDF74
UTF-32 Encoding	0x0001D774
C/C++/Java Escape	\ud835\udf74

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	"ε" U+03B5 Greek Small Letter Epsilon
NFKC Simple Casefold	"ε" U+03B5 Greek Small Letter Epsilon
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