Greek Capital Letter Eta With Varia
HTML Entity Browser Test:

U+1FCA is the Unicode hex value of the character Greek Capital Letter Eta With Varia, which is categorized as "uppercase letter" in the Unicode 6.0 character table.

In addition, U+1FCA is a composite character comprising of one or more other Unicode characters modified or combined.

Unicode Character Information
Unicode Hex U+1FCA
General Category Uppercase Letter [Code: Lu]
Canonical Combining Class 0
Bidirectional Category L
Decomposition Mapping 0397 0300
Mirrored N
Lowercase Version U+1F74
Unicode Character Encodings
Greek Capital Letter Eta With Varia HTML Entity Ὴ (decimal entity), Ὴ (hex entity)
Windows Key Code Alt 8138 or Alt +1FCA1
Programming Source Code Encodings Python hex: u"\u1FCA", Hex for C++ and Java: "\u1FCA"
UTF-8 Hexadecimal Encoding 0xE1BF8A
1 To type a Unicode symbol in Windows, hold down the ALT key and enter the decimal or hexadecimal code provided using the numeric keypad. The decimal alt code (Alt 8138) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +1FCA) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Greek Capital Letter Eta With Varia character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.