As character names:

U+1E90 LATIN CAPITAL LETTER Z WITH CIRCUMFLEX character (Ẑ)

As raw characters:

Ẑ

As a string of HTML entities:

Ẑ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 144, hex 0x90, octal \220, binary 10010000
This is continuation byte 2, expecting 0 more.

U+1E90	LATIN CAPITAL LETTER Z WITH CIRCUMFLEX
	: 005A 0302