U+1D516 "𝔖" Mathematical Fraktur Capital S Unicode Character

U+1D516 "𝔖" Mathematical Fraktur Capital S is a stylized letter S drawn in the Fraktur typeface, a blackletter script historically used in German and other European printing. This specific character belongs to the Mathematical Alphanumeric Symbols block, where it serves as a distinct alphabetical symbol for use in mathematical and formal notations, often representing a set or a mathematical object like a sum or a sigma algebra. It is encoded separately from the standard Latin alphabet S to ensure it is rendered in its intended Fraktur style, avoiding any confusion with the regular letter or other symbolic uses across different digital fonts and platforms.

General Properties

Code Point	U+1D516
Version Added	3.1
Name	Mathematical Fraktur Capital S
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"S" U+0053 Latin Capital Letter S

Encodings

HTML Decimal Encoding	𝔖
HTML Hex Encoding	𝔖
UTF-8 Encoding	0xF0 0x9D 0x94 0x96
UTF-16 Encoding	0xD835 0xDD16
UTF-32 Encoding	0x0001D516
C/C++/Java Escape	\ud835\udd16

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	"s" U+0073 Latin Small Letter S
NFKC Simple Casefold	"s" U+0073 Latin Small Letter S
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