Code point
U+2142
Glyph appearance depends on your fonts.
U+2142
SmU+2142 TURNED SANS-SERIF CAPITAL L is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Letterlike Symbols block.
Choose the representation you need, then copy its value.
U+2142
8514
⅂
⅂
E2 85 82
2142
00002142
%E2%85%82
\u2142
\u2142
\u2142
\2142