Code point
U+2858
Glyph appearance depends on your fonts.
U+2858
SoU+2858 BRAILLE PATTERN DOTS-457 is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Braille Patterns block.
Choose the representation you need, then copy its value.
U+2858
10328
⡘
⡘
E2 A1 98
2858
00002858
%E2%A1%98
\u2858
\u2858
\u2858
\2858