U+1D72D "𝜭" Mathematical Bold Italic Capital Theta Symbol Unicode Character

U+1D72D "𝜭" Mathematical Bold Italic Capital Theta Symbol is a specialized typographic glyph used primarily in mathematical and scientific notation to represent the Greek letter Theta with a bold italic style. This character is part of the Mathematical Alphanumeric Symbols block, which was introduced in Unicode version 3.1 to allow mathematicians and researchers to clearly denote variables, constants, or functions in formulas without relying on font styling hacks. The bold italic form of Theta is commonly employed in fields such as physics and engineering to represent specific angles, phase shifts, or parameters where emphasis or distinction from standard text is needed.

General Properties

Code Point	U+1D72D
Version Added	3.1
Name	Mathematical Bold Italic Capital Theta Symbol
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ϴ" U+03F4 Greek Capital Theta Symbol

Encodings

HTML Decimal Encoding	𝜭
HTML Hex Encoding	𝜭
UTF-8 Encoding	0xF0 0x9D 0x9C 0xAD
UTF-16 Encoding	0xD835 0xDF2D
UTF-32 Encoding	0x0001D72D
C/C++/Java Escape	\ud835\udf2d

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	"θ" U+03B8 Greek Small Letter Theta
NFKC Simple Casefold	"θ" U+03B8 Greek Small Letter Theta
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