U+1D6D9 "𝛙" Mathematical Bold Small Psi Unicode Character
Unicode Version 18.0
Source: Browser Default
U+1D6D9 "𝛙" Mathematical Bold Small Psi is an alphabetic symbol representing the twenty-third letter of the Greek alphabet in a bold typeface, specifically designed for mathematical and scientific notation where it is commonly used to denote the wave function in quantum mechanics, the entanglement entropy in information theory, or the digamma function in number theory, and is part of the Mathematical Alphanumeric Symbols block, enabling clear typographic distinction from regular text in technical documents.
General Properties
Code Point
U+1D6D9
Name
Mathematical Bold Small Psi
Decomposition Mapping
Encodings
HTML Decimal Encoding
𝛙
HTML Hex Encoding
𝛙
UTF-8 Encoding
0xF0 0x9D 0x9B 0x99
UTF-16 Encoding
0xD835 0xDED9
UTF-32 Encoding
0x0001D6D9
C/C++/Java Escape
\ud835\uded9
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common