U+1D504 "𝔄" Mathematical Fraktur Capital A Unicode Character

Unicode Version 17.0

𝔄

U+1D504 "𝔄" Mathematical Fraktur Capital A is a stylized letterform derived from the Fraktur typeface, a blackletter script historically used in German and other European manuscripts and printing. It is part of the Mathematical Alphanumeric Symbols block, designed to serve as a distinct mathematical symbol rather than a regular text character, allowing it to represent specific variables or sets in formal mathematical and scientific notation. Unlike its plain Latin counterpart, this character provides a unique visual cue for distinguishing abstract concepts, such as Lie algebras or ring ideals, especially in fields like abstract algebra and topology, and it typically relies on specialized fonts for correct rendering across digital platforms.

General Properties

Code Point U+1D504
Version Added 3.1
Name Mathematical Fraktur Capital A
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "A" U+0041 Latin Capital Letter A

Encodings

HTML Decimal Encoding 𝔄
HTML Hex Encoding 𝔄
UTF-8 Encoding 0xF0 0x9D 0x94 0x84
UTF-16 Encoding 0xD835 0xDD04
UTF-32 Encoding 0x0001D504
C/C++/Java Escape \ud835\udd04

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 "a" U+0061 Latin Small Letter A
NFKC Simple Casefold "a" U+0061 Latin Small Letter A
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