U+1D522 "𝔢" Mathematical Fraktur Small E Unicode Character

U+1D522 "𝔢" Mathematical Fraktur Small E is a glyph belonging to the Mathematical Alphanumeric Symbols block, designed for use in formal mathematical and scientific notation where a distinct, decorative script style is needed to represent the letter 'e'. It is part of a set of Fraktur letters that trace their origins to medieval blackletter calligraphy and are commonly employed to denote specific mathematical objects, such as elements of a set or ideals in ring theory. This character is distinct from the standard Latin small 'e' and ensures that its mathematical meaning is clear within complex equations and proofs, preventing confusion with other variables.

General Properties

Code Point	U+1D522
Version Added	3.1
Name	Mathematical Fraktur Small E
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"e" U+0065 Latin Small Letter E

Encodings

HTML Decimal Encoding	𝔢
HTML Hex Encoding	𝔢
UTF-8 Encoding	0xF0 0x9D 0x94 0xA2
UTF-16 Encoding	0xD835 0xDD22
UTF-32 Encoding	0x0001D522
C/C++/Java Escape	\ud835\udd22

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	"e" U+0065 Latin Small Letter E
NFKC Simple Casefold	"e" U+0065 Latin Small Letter E
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