U+1D720 "𝜠" Mathematical Bold Italic Capital Epsilon Unicode Character

U+1D720 "𝜠" Mathematical Bold Italic Capital Epsilon is a typographic variant of the Greek capital letter epsilon, specifically designed for mathematical and scientific notation where a bold italic style is required to denote specific variables, tensors, or operators. This character belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms for unambiguous use in equations, helping to avoid confusion with ordinary text or other similar-looking symbols. Its glyph combines the weight of bold type with the slant of italics, making it distinct from the standard Greek epsilon and its other mathematical variants.

General Properties

Code Point	U+1D720
Version Added	3.1
Name	Mathematical Bold Italic Capital Epsilon
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Ε" U+0395 Greek Capital Letter Epsilon

Encodings

HTML Decimal Encoding	𝜠
HTML Hex Encoding	𝜠
UTF-8 Encoding	0xF0 0x9D 0x9C 0xA0
UTF-16 Encoding	0xD835 0xDF20
UTF-32 Encoding	0x0001D720
C/C++/Java Escape	\ud835\udf20

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	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	Upper