U+1D570 "𝕰" Mathematical Bold Fraktur Capital E Unicode Character

Unicode Version 17.0

𝕰

U+1D570 "𝕰" Mathematical Bold Fraktur Capital E is a specialized typographic glyph belonging to the Mathematical Alphanumeric Symbols block, designed for use in formal mathematical and scientific notation. It represents a bold version of the Fraktur script capital letter E, a style historically associated with German blackletter typefaces but now primarily employed to denote specific algebraic structures, number systems, or abstract entities in advanced mathematics, such as a Euclidean space or a field extension. This character is encoded separately from its regular Fraktur and Roman counterparts to allow unambiguous distinction in digital text, ensuring that it renders consistently across compliant platforms and fonts for precise scholarly communication.

General Properties

Code Point U+1D570
Version Added 3.1
Name Mathematical Bold Fraktur Capital E
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "E" U+0045 Latin Capital Letter E

Encodings

HTML Decimal Encoding 𝕰
HTML Hex Encoding 𝕰
UTF-8 Encoding 0xF0 0x9D 0x95 0xB0
UTF-16 Encoding 0xD835 0xDD70
UTF-32 Encoding 0x0001D570
C/C++/Java Escape \ud835\udd70

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 "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 Upper