U+1D57C "𝕼" Mathematical Bold Fraktur Capital Q Unicode Character

Unicode Version 17.0

𝕼

U+1D57C "𝕼" Mathematical Bold Fraktur Capital Q is a specialized typographic symbol used primarily in mathematical and academic contexts, particularly within fields like number theory, algebra, and set theory. It belongs to the "Mathematical Alphanumeric Symbols" block, which was added to Unicode to provide distinct styles such as bold, fraktur, and double-struck for letters, allowing authors to denote specific sets, matrices, or abstract algebraic structures without ambiguity. This character combines the heavy, ornate blackletter style of Fraktur script with a bold weight, making it visually distinct from standard Latin letters and other mathematical variants. As with other characters in this range, its purpose is to ensure consistent, precise representation in digital publications, algorithms, and typesetting systems like LaTeX, where it is commonly invoked.

General Properties

Code Point U+1D57C
Version Added 3.1
Name Mathematical Bold Fraktur Capital Q
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "Q" U+0051 Latin Capital Letter Q

Encodings

HTML Decimal Encoding 𝕼
HTML Hex Encoding 𝕼
UTF-8 Encoding 0xF0 0x9D 0x95 0xBC
UTF-16 Encoding 0xD835 0xDD7C
UTF-32 Encoding 0x0001D57C
C/C++/Java Escape \ud835\udd7c

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 "q" U+0071 Latin Small Letter Q
NFKC Simple Casefold "q" U+0071 Latin Small Letter Q
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