This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+1D338 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Taixuanjing is a divination guide composed by the Confucian writer Yang Xiong (53 BCE β 18 CE) in the decade prior to the fall of the Western Han dynasty. The first draft of this work was completed in 2 BCE; during the Jin dynasty, an otherwise unknown person named Fan Wang (θζ) salvaged the text and wrote a commentary on it, from which our text survives today.
Representations
System
Representation (click value to copy)
NΒΊ
119608
UTF-8
F0 9D 8C B8
UTF-16
D8 34 DF 38
UTF-32
00 01 D3 38
URL-Quoted
%F0%9D%8C%B8
HTML hex reference
𝌸
Wrong windows-1252 Mojibake
Γ°ΒΕΒΈ
Encoding: GB18030 (hex bytes)
94 32 F4 32
RFC 5137
\u'1D338'
Bash and Zsh inside echo -e
\U0001D338
C and C++
\U0001D338
C#
\U0001D338
CSS
\01D338
Excel
=UNICHAR(119608)
Go
\U0001D338
JavaScript
\uD834\uDF38
Modern JavaScript since ES6
\u{1d338}
JSON
\uD834\uDF38
Java
\uD834\uDF38
Lua
\u{1D338}
Matlab
char(119608)
Perl
"\x{1D338}"
PHP
\u{1d338}
PostgreSQL
U&'\+01D338'
PowerShell
`u{1D338}
Python
\U0001D338
Ruby
\u{1d338}
Rust
\u{1d338}
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