U+1D43B "𝐻" Mathematical Italic Capital H Unicode Character

Unicode Version 17.0

𝐻

U+1D43B "𝐻" Mathematical Italic Capital H is part of the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and scientific notation to represent a variable, a Hilbert space, or a Hamiltonian operator in contexts where italic style is required to distinguish it from ordinary text. It belongs to a set of characters that provide a one to one mapping of Latin and Greek letters in various typographic styles, allowing for unambiguous formatting in digital documents without relying on font styling that may be lost during copy and paste. This character is distinct from the regular uppercase H found in standard Latin scripts, serving instead as a dedicated mathematical symbol to ensure consistent rendering across different platforms and applications.

General Properties

Code Point U+1D43B
Version Added 3.1
Name Mathematical Italic 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 0x90 0xBB
UTF-16 Encoding 0xD835 0xDC3B
UTF-32 Encoding 0x0001D43B
C/C++/Java Escape \ud835\udc3b

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