U+1D797 "𝞗" Mathematical Sans-Serif Bold Italic Capital Theta Unicode Character

Unicode Version 17.0

𝞗

U+1D797 "𝞗" Mathematical Sans-Serif Bold Italic Capital Theta is a typographic variant of the Greek capital letter theta, designed specifically for use in mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, where it serves as a distinct style that combines sans-serif, bold, and italic formatting to differentiate variables or constants from standard text in equations. This character allows authors and researchers to clearly represent the capital theta symbol in contexts such as vector calculus, number theory, or trigonometry without relying on font-dependent formatting. Its inclusion in Unicode ensures consistent representation across digital platforms and documents, maintaining semantic precision in technical writing.

General Properties

Code Point U+1D797
Version Added 3.1
Name Mathematical Sans-Serif 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 0x9E 0x97
UTF-16 Encoding 0xD835 0xDF97
UTF-32 Encoding 0x0001D797
C/C++/Java Escape \ud835\udf97

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