This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+26E7 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
A pentagram (sometimes known as a pentalpha, pentangle, or star pentagon) is a regular five-pointed star polygon, formed from the diagonal line segments of a convex (or simple, or non-self-intersecting) regular pentagon. Drawing a circle around the five points creates a similar symbol referred to as the pentacle, which is used widely by Wiccans and in paganism, or as a sign of life and connections.
The word pentagram comes from the Greek word πεντάγραμμον (pentagrammon), from πέντε (pente), "five" + γραμμή (grammē), "line".
The word pentagram refers to just the star and the word pentacle refers to the star within a circle, although there is some overlap in usage. The word pentalpha is a 17th-century revival of a post-classical Greek name of the shape.
Representations
System
Representation (click value to copy)
Nº
9959
UTF-8
E2 9B A7
UTF-16
26 E7
UTF-32
00 00 26 E7
URL-Quoted
%E2%9B%A7
HTML hex reference
⛧
Wrong windows-1252 Mojibake
⛧
Encoding: GB18030 (hex bytes)
81 37 B9 33
RFC 5137
\u'26E7'
Bash and Zsh inside echo -e
\u26E7
C and C++
\u26E7
C#
\u26E7
CSS
\0026E7
Excel
=UNICHAR(9959)
Go
\u26E7
JavaScript
\u26E7
Modern JavaScript since ES6
\u{26e7}
JSON
\u26E7
Java
\u26E7
Lua
\u{26E7}
Matlab
char(9959)
Perl
"\x{26E7}"
PHP
\u{26e7}
PostgreSQL
U&'\26E7'
PowerShell
`u{26E7}
Python
\u26E7
Ruby
\u{26e7}
Rust
\u{26e7}
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