U+1D531 "𝔱" Mathematical Fraktur Small T Unicode Character

U+1D531 "𝔱" Mathematical Fraktur Small T is part of the Mathematical Alphanumeric Symbols block, specifically designed for use in mathematical and scientific notation to represent a variable or constant in a Fraktur typeface, which was historically common in German academic texts and is often encountered in contexts like abstract algebra, number theory, and set theory. This character is distinct from regular Latin letters to avoid ambiguity with other symbols, and it allows authors and mathematicians to visually differentiate between related concepts in formal writing, such as when denoting a specific transformation or element within a mathematical structure.

General Properties

Code Point	U+1D531
Version Added	3.1
Name	Mathematical Fraktur Small T
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"t" U+0074 Latin Small Letter T

Encodings

HTML Decimal Encoding	𝔱
HTML Hex Encoding	𝔱
UTF-8 Encoding	0xF0 0x9D 0x94 0xB1
UTF-16 Encoding	0xD835 0xDD31
UTF-32 Encoding	0x0001D531
C/C++/Java Escape	\ud835\udd31

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"t" U+0074 Latin Small Letter T
NFKC Simple Casefold	"t" U+0074 Latin Small Letter T
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	Lower