U+1D573 "𝕳" Mathematical Bold Fraktur Capital H Unicode Character

Unicode Version 17.0

𝕳

U+1D573 "𝕳" Mathematical Bold Fraktur Capital H is a specialized glyph within the Unicode standard's Mathematical Alphanumeric Symbols block, designed for use in mathematical notation to represent a distinct, stylized version of the capital letter H. It combines the dense, ornate strokes of the Fraktur script, historically used in German blackletter typography, with a bold weight to enhance visual emphasis in academic texts. This character is often employed to denote specific mathematical objects such as Hamiltonians in physics, Hilbert spaces in functional analysis, or hypergeometric functions, helping to differentiate these concepts from ordinary text. Its inclusion ensures that authors can typeset complex formulas requiring both aesthetic tradition and semantic clarity across digital platforms.

General Properties

Code Point U+1D573
Version Added 3.1
Name Mathematical Bold Fraktur Capital H
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "H" U+0048 Latin Capital Letter H

Encodings

HTML Decimal Encoding 𝕳
HTML Hex Encoding 𝕳
UTF-8 Encoding 0xF0 0x9D 0x95 0xB3
UTF-16 Encoding 0xD835 0xDD73
UTF-32 Encoding 0x0001D573
C/C++/Java Escape \ud835\udd73

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 "h" U+0068 Latin Small Letter H
NFKC Simple Casefold "h" U+0068 Latin Small Letter H
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