HTML Entity for Normal Subgroup (⊲)
What You'll Learn
How to display the normal subgroup symbol (⊲) in HTML using named, hexadecimal, decimal, and CSS escape methods. This glyph is used in group theory and abstract algebra to denote normal subgroup relationships in mathematical notation.
This character is U+22B2 (NORMAL SUBGROUP) in the Mathematical Operators block (U+2200–U+22FF). Render it with ⊲, ⊲, ⊲, or CSS escape \22B2.
⚡ Quick Reference — Normal Subgroup Entity
U+22B2Mathematical Operators
⊲Hexadecimal reference
⊲Decimal reference
⊲Most readable option
Name Value
──────────── ──────────
Unicode U+22B2
Hex code ⊲
HTML code ⊲
Named entity ⊲
CSS code \22B2
Meaning Normal subgroup
Related U+22B3 = Normal subgroup of (⊳, ⊳)Complete HTML Example
This example demonstrates the normal subgroup symbol (⊲) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point::after{
content: "\22B2";
}
</style>
</head>
<body>
<p>Normal Subgroup using Hexadecimal: ⊲</p>
<p>Normal Subgroup using HTML Code: ⊲</p>
<p>Normal Subgroup using Named Entity: ⊲</p>
<p id="point">Normal Subgroup using CSS Entity: </p>
</body>
</html>🌐 Browser Support
The normal subgroup symbol (⊲) is widely supported wherever Unicode Mathematical Operators render correctly:
👀 Live Preview
See the normal subgroup symbol (⊲) in group-theory contexts:
🧠 How It Works
Named Entity
⊲ is the HTML named entity for U+22B2—the most readable choice when writing group-theory markup.
Hexadecimal Code
⊲ uses the Unicode hexadecimal value 22B2. The x prefix indicates hexadecimal format.
Decimal HTML Code
⊲ uses the decimal Unicode value 8882 to display the same character.
CSS Entity
\22B2 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All four methods produce: ⊲. Unicode U+22B2 in Mathematical Operators (U+2200–U+22FF).
Use Cases
The normal subgroup symbol (⊲) is commonly used in:
Denote that H is a normal subgroup of G in algebraic notation.
Textbooks, lecture notes, and course materials on abstract algebra.
Formal definitions, theorems, and proofs involving quotient groups.
Online references and encyclopedia articles on subgroup structure.
Unicode charts and HTML entity documentation for math symbols.
Specifications and documentation for mathematical software libraries.
💡 Best Practices
Do
- Use
⊲for readable group-theory markup - Distinguish ⊲ (normal subgroup) from ⊳ (normal subgroup of)
- Pair ⊲ with plain-language description on first use
- Use fonts that cover Mathematical Operators (Cambria Math, STIX, etc.)
- Serve pages with UTF-8 (
<meta charset="utf-8">)
Don’t
- Confuse ⊲ (
⊲) with ⊳ (⊳)—they are different symbols - Use padded Unicode notation like U+022B2—the correct value is
U+22B2 - Put CSS escape
\22B2in HTML text nodes - Use
\022B2in CSS—the correct escape is\22B2 - Rely on the glyph alone without accessible description
Key Takeaways
Three HTML references plus CSS all render ⊲
⊲ ⊲ ⊲For CSS stylesheets, use the escape in the content property
\22B2Unicode U+22B2 — NORMAL SUBGROUP
Mathematical Operators block (U+2200–U+22FF)
⊲ is the preferred named entity for readable source markup
❓ Frequently Asked Questions
⊲ (named), ⊲ (hex), ⊲ (decimal), or \22B2 in CSS content. All produce ⊲.U+22B2 (NORMAL SUBGROUP). Mathematical Operators block (U+2200–U+22FF). Hex 22B2, decimal 8882. Named entity: ⊲.U+22B2 (⊲, ⊲) is NORMAL SUBGROUP. U+22B3 (⊳, ⊳) is NORMAL SUBGROUP OF. They are paired symbols used together in group-theory notation.⊲ is the named HTML entity for U+22B2 and is the most readable option in source markup.Explore More HTML Entities!
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