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𝔛

Mathematical Fraktur Capital X Symbol

𝔛 is the Mathematical Fraktur Capital X (Unicode U+1D51B) used for stylized mathematical variables.

U+1D51B

𝔛 is a Unicode character from the Math category. It’s commonly used when you want a distinctive β€œX” style for variables, sets, or named objects in math text.

Mathematical Fraktur Capital X Symbol Meaning

𝔛 (U+1D51B) is the Mathematical Fraktur Capital X. In practice, it functions like a stylized version of the letter X intended for mathematical notation. Designers and authors use it to visually distinguish different kinds of variables, for example in textbooks, research writing, or educational materials where multiple fonts or alphabets indicate different roles (such as a particular set, space, or operator name). Because it’s a specific Unicode character, it can render differently depending on the font; using it helps keep the meaning consistent across systems when the right font support is available.

Common uses

  • β€’Labeling a specific mathematical variable or object in documentation
  • β€’Representing a named set, space, or construction using fraktur styling
  • β€’Distinguishing different β€œX” symbols in notes, slides, or worksheets
  • β€’Using in equations when a distinct typographic style improves readability
  • β€’Creating consistent, copyable notation in technical writing and tutorials

Examples

𝔛 Mathematical Fraktur Capital X

  • 𝔛Let 𝔛 be the state space.
  • 𝔛We define 𝔛 = {x | x ∈ X}.
  • 𝔛Consider the transformation from 𝔛 to π”œ.
  • 𝔛The function f: 𝔛 β†’ 𝔛 is continuous.
  • 𝔛Assume 𝔛 is compact under the given topology.

Variations

Ready to copy

Technical codes

UnicodeU+1D51B
HTML Entity𝔛
HTML Code𝔛
CSS\1D51B

FAQ

What does the Mathematical Fraktur Capital X symbol mean?

𝔛 (U+1D51B) is the Mathematical Fraktur Capital X. In practice, it functions like a stylized version of the letter X intended for mathematical notation. Designers and authors use it to visually distinguish different kinds of variables, for example in textbooks, research writing, or educational materials where multiple fonts or alphabets indicate different roles (such as a particular set, space, or operator name). Because it’s a specific Unicode character, it can render differently depending on the font; using it helps keep the meaning consistent across systems when the right font support is available.

What is the Unicode value for 𝔛?

𝔛 is Unicode code point U+1D51B.

How do I type or embed 𝔛 in code?

You can use HTML entity 𝔛 or JavaScript escape \\u{1D51B}.

Will 𝔛 always look the same on all devices?

Not necessarilyβ€”its appearance depends on font support. If the font doesn’t include the character, it may render as a fallback glyph.

Is 𝔛 the same as a normal capital X?

It’s a distinct Unicode character. Visually it resembles an X, but it’s specifically the Mathematical Fraktur Capital X.