HNN extension

en

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HNN extension

Quality:

HNN extension - basic construction of combinatorial group theory. Article “HNN extension” in English Wikipedia has 19.6 points for quality (as of July 1, 2025). The article contains 5 references and 7 sections.

This article has the best quality in Chinese Wikipedia. However, this article is the most popular in English version.

Since the creation of article “HNN extension”, its content was written by 33 registered users of English Wikipedia and edited by 57 registered Wikipedia users in all languages.

The article is cited 34 times in English Wikipedia and cited 67 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #94458 in October 2005
  • Global: #193000 in October 2005

The highest popularity rank from 2008:

  • Local (English): #910266 in May 2025
  • Global: #957831 in July 2023

There are 6 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Chinese (zh)
HNN擴張
19.9306
2English (en)
HNN extension
19.5635
3German (de)
HNN-Erweiterung
15.6027
4Spanish (es)
Extensión HNN
13.8794
5French (fr)
Extension HNN
11.8136
6Hebrew (he)
הרחבת HNN
3.6629
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "HNN extension" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
HNN extension
93 541
2French (fr)
Extension HNN
8 135
3Spanish (es)
Extensión HNN
8 032
4German (de)
HNN-Erweiterung
4 233
5Chinese (zh)
HNN擴張
2 455
6Hebrew (he)
הרחבת HNN
789
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "HNN extension" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
HNN extension
877
2Spanish (es)
Extensión HNN
111
3French (fr)
Extension HNN
54
4German (de)
HNN-Erweiterung
43
5Chinese (zh)
HNN擴張
20
6Hebrew (he)
הרחבת HNN
12
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "HNN extension" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
HNN extension
33
2German (de)
HNN-Erweiterung
8
3French (fr)
Extension HNN
5
4Hebrew (he)
הרחבת HNN
5
5Spanish (es)
Extensión HNN
3
6Chinese (zh)
HNN擴張
3
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "HNN extension" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
HNN-Erweiterung
0
2English (en)
HNN extension
0
3Spanish (es)
Extensión HNN
0
4French (fr)
Extension HNN
0
5Hebrew (he)
הרחבת HNN
0
6Chinese (zh)
HNN擴張
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "HNN extension" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
HNN extension
34
2French (fr)
Extension HNN
17
3German (de)
HNN-Erweiterung
6
4Spanish (es)
Extensión HNN
5
5Hebrew (he)
הרחבת HNN
3
6Chinese (zh)
HNN擴張
2
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
HNN-Erweiterung
enEnglish
HNN extension
esSpanish
Extensión HNN
frFrench
Extension HNN
heHebrew
הרחבת HNN
zhChinese
HNN擴張

Popularity rank trends

Best Rank English:
#910266
05.2025
Global:
#957831
07.2023

AI rank trends

Best Rank English:
#94458
10.2005
Global:
#193000
10.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on HNN extension from Wikipedia articles about Free product, Bass–Serre theory, Group extension, Hanna Neumann and Graph of groups. Whereas reading the article about HNN extension people most often go to Wikipedia articles on Hanna Neumann, Bernhard Neumann, Bass–Serre theory, Combinatorial group theory and Presentation of a group.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information