UnicodeCharactercom
Ϊ
U+03AA · GREEK CAPITAL LETTER IOTA WITH DIALYTIKA

Greek Capital Letter Iota with Dialytika

  • CodepointU+03AA
  • NameGREEK CAPITAL LETTER IOTA WITH DIALYTIKA
  • Decimal938
  • BlockGreek and Coptic (U+0370–U+03FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptGreek
  • CategoryLu — Uppercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+03AA (Ϊ) is GREEK CAPITAL LETTER IOTA WITH DIALYTIKA, an uppercase letter in the Greek and Coptic block. It belongs to the Greek script. It was added in Unicode 1.1 (1993).

Its lowercase form is U+03CA ϊ.

It is precomposed. Under NFD it decomposes into U+0399 Ι + U+0308 ◌̈, and NFC recombines that sequence into this single codepoint, so both spellings are canonically equivalent and should compare equal after normalization. See the normalization guide.

How to type Ϊ

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Encodings & escapes

UTF-8 encoder →
UTF-8CE AA2 bytes
UTF-1603AA1 code unit
UTF-32000003AA4 bytes
HTML decimalΪ
HTML hexΪ
CSS\3AAin content: "…"
JavaScript\u03AA
JSON\u03AA
Python\u03AA
Python\N{GREEK CAPITAL LETTER IOTA WITH DIALYTIKA}by name
Java / C#\u03AA
C / C++\u03AAuniversal character name
Rust / Swift / PHP\u{3AA}
Go\u03AA
Ruby\u03AA
Excel / Sheets=UNICHAR(938)
URL-encoded%CE%AApercent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDU+0399 Ι + U+0308 ◌̈
NFKCunchanged
NFKDU+0399 Ι + U+0308 ◌̈
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Nearby in Greek and Coptic

All in block →
U+03A4ΤGreek Capital Letter Tau U+03A5ΥGreek Capital Letter Upsilon U+03A6ΦGreek Capital Letter Phi U+03A7ΧGreek Capital Letter Chi U+03A8ΨGreek Capital Letter Psi U+03A9ΩGreek Capital Letter Omega U+03ABΫGreek Capital Letter Upsilon with Dialytika U+03ACάGreek Small Letter Alpha with Tonos U+03ADέGreek Small Letter Epsilon with Tonos U+03AEήGreek Small Letter Eta with Tonos U+03AFίGreek Small Letter Iota with Tonos U+03B0ΰGreek Small Letter Upsilon with Dialytika and Tonos