U+1D723 "𝜣" Mathematical Bold Italic Capital Theta Unicode Character

Unicode Version 17.0

𝜣

U+1D723 "𝜣" Mathematical Bold Italic Capital Theta is a typographic variant of the Greek letter theta, specifically designed for use in mathematical and scientific notation to represent variables, constants, or angles when a bold, italicized style is required for emphasis or to differentiate it from standard text. This character belongs to the Mathematical Alphanumeric Symbols block, which provides separate codepoints for letters in various styles to ensure precise formatting in digital documents without relying on font-specific rendering. Its bold italic appearance makes it particularly useful in fields such as physics, engineering, and higher mathematics, where theta often denotes temperature, angles, or phase shifts in equations and formulas.

General Properties

Code Point U+1D723
Version Added 3.1
Name Mathematical Bold Italic Capital Theta
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+0398 Greek Capital Letter Theta

Encodings

HTML Decimal Encoding 𝜣
HTML Hex Encoding 𝜣
UTF-8 Encoding 0xF0 0x9D 0x9C 0xA3
UTF-16 Encoding 0xD835 0xDF23
UTF-32 Encoding 0x0001D723
C/C++/Java Escape \ud835\udf23

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