Undefined Character (U+1428F)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𔊏` `𔊏`
UTF-8 Encoding:	`0xF0 0x94 0x8A 0x8F`
UTF-16 Encoding:	`0xD810 0xDE8F`
UTF-32 Encoding:	`0x0001428F`

References