U+1D580 "𝖀" Mathematical Bold Fraktur Capital U Unicode Character

Unicode Version 17.0

𝖀

U+1D580 "𝖀" Mathematical Bold Fraktur Capital U is a typographic symbol from the Mathematical Alphanumeric Symbols block, designed for use in mathematical and academic texts to represent the capital letter U in a bold Fraktur style, which combines the ornate, blackletter gothic appearance of Fraktur with a heavier weight. This character is part of a larger set of mathematical alphanumeric symbols that allow authors to denote specific variables, sets, or concepts in papers and formulas without resorting to ad‑hoc formatting. Its inclusion in Unicode ensures consistent display across different platforms, enabling precise communication in disciplines such as set theory, algebra, and logic where distinct typefaces are used to differentiate meaning.

General Properties

Code Point U+1D580
Version Added 3.1
Name Mathematical Bold Fraktur Capital U
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "U" U+0055 Latin Capital Letter U

Encodings

HTML Decimal Encoding 𝖀
HTML Hex Encoding 𝖀
UTF-8 Encoding 0xF0 0x9D 0x96 0x80
UTF-16 Encoding 0xD835 0xDD80
UTF-32 Encoding 0x0001D580
C/C++/Java Escape \ud835\udd80

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 "u" U+0075 Latin Small Letter U
NFKC Simple Casefold "u" U+0075 Latin Small Letter U
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