HTML Entity for Right Semidirect Product (⋌)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+22CC

What You'll Learn

How to display the Right Semidirect Product (⋌) in HTML using the named entity, hexadecimal, decimal, and CSS escape methods. This symbol is U+22CC (RIGHT SEMIDIRECT PRODUCT) in the Mathematical Operators block (U+2200–U+22FF)—used in group theory and abstract algebra to denote the right semidirect product of groups.

Render it with ⋌ (named), ⋌, ⋌, or CSS \22CC. Do not confuse ⋌ with U+22CB (⋋, left semidirect product / ⋋) or U+22CA (⋊, right normal factor semidirect product / ⋊).

⚡ Quick Reference — Right Semidirect Product

Unicode U+22CC

Mathematical Operators

Hex Code ⋌

Hexadecimal reference

HTML Code ⋌

Decimal reference

Named Entity ⋌

Most readable option

Reference Table
Name           Value
────────────   ──────────
Unicode        U+22CC
Hex code       ⋌
HTML code      ⋌
Named entity   ⋌
CSS code       \22CC
Meaning        Right semidirect product
Related        U+22CB = left semidirect product (⋋)
               U+22CA = right normal factor (⋊)
1

Complete HTML Example

A simple example showing the Right Semidirect Product (⋌) using the named entity, hexadecimal code, decimal HTML code, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\22CC";
  }
 </style>
</head>
<body>
<p>Symbol (hex): &#x22CC;</p>
<p>Symbol (decimal): &#8908;</p>
<p>Symbol (named): &rthree;</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Right Semidirect Product (⋌) is universally supported in all modern browsers when the font includes Mathematical Operators glyphs:

Chrome 1+
Firefox 1+
Safari 1+
Edge 12+
Opera 4+
Android 4.4+
iOS Safari 1+

👀 Live Preview

See the Right Semidirect Product (⋌) rendered live in different contexts:

Inline text H ⋌ N denotes the right semidirect product of groups.
Large glyph
Group theory G = H ⋌ N (N normal in G)
Definition H ⋌ N = H ⋃ N
Symbol comparison ⋋ ⋌ ⋊
Numeric refs &rthree; &#x22CC; &#8908; \22CC

🧠 How It Works

1

Hexadecimal Code

&#x22CC; uses the Unicode hexadecimal value 22CC for the right semidirect product. The x prefix indicates hexadecimal format.

HTML markup
2

Decimal HTML Code

&#8908; uses the decimal Unicode value 8908 to display the same character.

HTML markup
3

Named Entity

&rthree; is the semantic named entity — the easiest to read in source HTML and the most self-descriptive option.

HTML markup
4

CSS Entity

\22CC is used in CSS stylesheets in the content property of pseudo-elements like ::after.

CSS stylesheet
=

Same visual result

All four methods produce . Unicode U+22CC is in the Mathematical Operators block. Previous: Right Parenthesis. Next: Right Shaded White Right Arrow.

Use Cases

The Right Semidirect Product (⋌) is commonly used in:

∑ Group Theory

Denote the right semidirect product of two groups (e.g. H ⋌ N).

◈ Abstract Algebra

Express semidirect product constructions in algebraic notation.

📚 Academic Papers

Typeset group-theoretic proofs and definitions in HTML or web-based math content.

📚 Math Education

Display correct notation in online courses and interactive math content.

📄 Technical Documentation

Document algebraic or categorical structures that use semidirect products.

💻 Math Editors

Support in web-based equation editors and math display systems.

💡 Best Practices

Do

  • Use &rthree; for readable source markup
  • Add aria-label or surrounding text for accessibility
  • Verify your font supports Mathematical Operators (U+22CC)
  • Keep one entity style per project for consistency
  • Distinguish right (⋌) from left (⋋) semidirect product in context

Don’t

  • Confuse ⋋ (left) with ⋌ (right semidirect product)
  • Confuse ⋌ with ⋊ (right normal factor semidirect product / &rtimes;)
  • Use CSS \22CC inside HTML text nodes
  • Assume all fonts render math operators identically
  • Use the symbol without explaining its right semidirect product meaning on first use

Key Takeaways

1

Four HTML references plus CSS all render ⋌

&#x22CC; &#8908; &rthree;
2

For CSS, use \22CC in the content property

3

Unicode U+22CC — RIGHT SEMIDIRECT PRODUCT

4

Prefer &rthree; for readability—it’s the named HTML entity

❓ Frequently Asked Questions

Use &#x22CC; (hex), &#8908; (decimal), &rthree; (named), or \22CC in CSS content. All four methods render ⋌ correctly.
U+22CC (RIGHT SEMIDIRECT PRODUCT). Mathematical Operators block (U+2200–U+22FF). Hex 22CC, decimal 8908.
In group theory, abstract algebra, mathematical papers, and technical documentation to denote the right semidirect product of groups or algebraic structures.
HTML references (&#8908;, &#x22CC;, or &rthree;) go in markup. The CSS escape \22CC is used in stylesheets, typically on ::before or ::after. Both produce ⋌.
Yes. &rthree; is the named HTML entity for U+22CC. You can also use &#8908; (decimal) or &#x22CC; (hex) and \22CC in CSS.

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
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I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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