Steane code

quantum error-correcting code that encodes one logical qubit in seven physical qubits using the classical binary [7,4,3] Hamming code to correct for both qubit flip errors and phase flip errors

Thing css_code Q7605496

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Steane code

Summary

Steane code is a CSS code^[1]. It draws 52 Wikipedia views per month (css_code category, ranking #1 of 1).^[2]

Key Facts

Steane code's instance of is recorded as CSS code^[3].
Andrew Steane is named after Steane code^[4].
Steane code's Freebase ID is recorded as /m/0f0x3x^[5].
Steane code's defining formula is recorded as \begin{pmatrix}H&0\0&H\end{pmatrix},\qquad\displaystyle H=\begin{pmatrix}1&0&0&1&0&1&1\0&1&0&1&1&0&1\0&0&1&0&1&1&1\end{pmatrix}^[6].
Steane code's Microsoft Academic ID is recorded as 2780352088^[7].

Why It Matters

Steane code draws 52 Wikipedia views per month (css_code category, ranking #1 of 1).^[2]

⭐ Popularity Graph

0/100 long tail

📈 Wikipedia Views · last 71h

131/mo 131/yr

📊 Google Search Volume

no search data yet

Quick Facts

Instance of CSS code

Properties

Defining formula \begin{pmatrix}H&0\\0&H\end{pmatrix},\qquad\displaystyle H=\begin{pmatrix}1&0&0&1&0&1&1\\0&1&0&1&1&0&1\\0&0&1&0&1&1&1\end{pmatrix}, \begin{aligned}|0\rangle _{\mathrm L}=&\frac1{\sqrt8}\left(|0000000\rangle +|1010101\rangle +|0110011\rangle +|1100110\rangle+|0001111\rangle +|1011010\rangle +|0111100\rangle +|1101001\rangle\right)\\|1\rangle _{\mathrm L}=&(\sigma_x\otimes\sigma_x\otimes\sigma_x\otimes\sigma_x\otimes\sigma_x\otimes\sigma_x\otimes\sigma_x)|0\rangle _{\mathrm L}\end{aligned}

In defining formula \sigma_x

Named after Andrew Steane

External References (2)

Freebase id /m/0f0x3x

Microsoft academic id (discontinued) 2780352088

🌐 Available in 2 languages

enSteane code frCode de Steane

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

Class ancestry

[1] ↑ Steane code is an instance of CSS code (Q5014366) [P31, primary]. Wikidata. wikidata.org.

Aggregate / graph-position facts

[2] ↑ Steane code draws 52 Wikipedia views per month (css_code category, ranking #1 of 1).. Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Steane code. Retrieved May 3, 2026, from https://4ort.xyz/entity/steane-code

MLA “Steane code.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/steane-code.

BibTeX

@misc{4ortxyz_steane-code_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Steane code}}, year = {2026}, url = {https://4ort.xyz/entity/steane-code}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Steane code — https://4ort.xyz/entity/steane-code (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/steane-code · Last refreshed: May 3, 2026

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

18d ago · Charp238 · 2026-05-06 view diff on Wikidata ↗

Freebase id → /m/0f0x3x

Named after → Andrew Steane

Defining formula → \begin{pmatrix}H&0\\0&H\end{pmatrix},\qquad\displaystyle H=\

Wikidata description → quantum error-correcting code that encodes one logical qubit in seven physical q

+ 4 other properties edited (see Wikidata diff for full list)

"/* wbsetclaim-create:1||1 */ [[Property:P2534]]: \begin{aligned}|0\rangle _{\mathrm L}=&\frac1{\sqrt8}\left(|0000000\rangle +|1010101\rangle +|0110011\rangle +|1100110\rangle+|0001111\rangle +|1011010"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.