Group isomorphism

Group isomorphism - bijective group homomorphism. Article “Group isomorphism” in English Wikipedia has 19.5 points for quality (as of July 1, 2026). The article contains 5 references and 8 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.03 points.

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

Since the creation of article “Group isomorphism”, its content was written by 75 registered users of English Wikipedia and edited by 198 registered Wikipedia users in all languages.

The article is cited 208 times in English Wikipedia and cited 929 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #3397 in March 2002
• Global: #4090 in March 2002

The highest popularity rank from 2008:

• Local (English): #236417 in October 2011
• Global: #252652 in November 2020

There are 19 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, 2026 (including revision history and pageviews for previous years).

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

#	Language	Quality grade	Quality score
1	Greek (el) Ισομορφισμός ομάδας		24.5397
2	English (en) Group isomorphism		19.5351
3	German (de) Gruppenisomorphismus		17.3318
4	Spanish (es) Isomorfismo de grupos		16.6902
5	Galician (gl) Isomorfismo de grupos		16.6259
6	Finnish (fi) Ryhmäisomorfismi		13.7583
7	Chinese (zh) 群同構		13.4655
8	Bulgarian (bg) Изоморфизъм на групи		11.3419
9	Vietnamese (vi) Đẳng cấu nhóm		10.5304
10	Tamil (ta) குலச் சமஅமைவியம்		10.3938

More...

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

The most popular language versions of the article "Group isomorphism" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Group isomorphism		579 342
2	Russian (ru) Изоморфизм групп		86 253
3	German (de) Gruppenisomorphismus		72 978
4	Italian (it) Isomorfismo tra gruppi		44 455
5	Chinese (zh) 群同構		35 354
6	Spanish (es) Isomorfismo de grupos		30 847
7	Japanese (ja) 群同型		30 755
8	Portuguese (pt) Isomorfismo de grupo		25 182
9	Ukrainian (uk) Ізоморфізм груп		10 434
10	Dutch (nl) Groepsisomorfisme		4 769

More...

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

The most popular language versions of the article "Group isomorphism" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Group isomorphism		845
2	German (de) Gruppenisomorphismus		128
3	Chinese (zh) 群同構		113
4	Japanese (ja) 群同型		95
5	Russian (ru) Изоморфизм групп		81
6	Spanish (es) Isomorfismo de grupos		46
7	Italian (it) Isomorfismo tra gruppi		23
8	Vietnamese (vi) Đẳng cấu nhóm		12
9	Finnish (fi) Ryhmäisomorfismi		11
10	Catalan (ca) Isomorfisme de grups		8

More...

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

Language versions of the article "Group isomorphism" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Group isomorphism		75
2	Italian (it) Isomorfismo tra gruppi		25
3	German (de) Gruppenisomorphismus		21
4	Ukrainian (uk) Ізоморфізм груп		11
5	Russian (ru) Изоморфизм групп		10
6	Chinese (zh) 群同構		8
7	Dutch (nl) Groepsisomorfisme		7
8	Portuguese (pt) Isomorfismo de grupo		6
9	Finnish (fi) Ryhmäisomorfismi		5
10	Japanese (ja) 群同型		5

More...

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

Language versions of the article "Group isomorphism" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Spanish (es) Isomorfismo de grupos		1
2	Bulgarian (bg) Изоморфизъм на групи		0
3	Catalan (ca) Isomorfisme de grups		0
4	German (de) Gruppenisomorphismus		0
5	Greek (el) Ισομορφισμός ομάδας		0
6	English (en) Group isomorphism		0
7	Persian (fa) یک‌ریختی گروه‌ها		0
8	Finnish (fi) Ryhmäisomorfismi		0
9	Galician (gl) Isomorfismo de grupos		0
10	Italian (it) Isomorfismo tra gruppi		0

More...

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

Language versions of the article "Group isomorphism" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Group isomorphism		208
2	Italian (it) Isomorfismo tra gruppi		190
3	Chinese (zh) 群同構		132
4	German (de) Gruppenisomorphismus		81
5	Ukrainian (uk) Ізоморфізм груп		62
6	Japanese (ja) 群同型		52
7	Russian (ru) Изоморфизм групп		46
8	Spanish (es) Isomorfismo de grupos		40
9	Catalan (ca) Isomorfisme de grups		38
10	Galician (gl) Isomorfismo de grupos		22

More...

#	Language	Value
bg	Bulgarian Изоморфизъм на групи
ca	Catalan Isomorfisme de grups
de	German Gruppenisomorphismus
el	Greek Ισομορφισμός ομάδας
en	English Group isomorphism
es	Spanish Isomorfismo de grupos
fa	Persian یک‌ریختی گروه‌ها
fi	Finnish Ryhmäisomorfismi
gl	Galician Isomorfismo de grupos
it	Italian Isomorfismo tra gruppi
ja	Japanese 群同型
nl	Dutch Groepsisomorfisme
pt	Portuguese Isomorfismo de grupo
ru	Russian Изоморфизм групп
sv	Swedish Gruppautomorfi
ta	Tamil குலச் சமஅமைவியம்
uk	Ukrainian Ізоморфізм груп
vi	Vietnamese Đẳng cấu nhóm
zh	Chinese 群同構

Best Rank

English: #236417 10.2011

Global: #252652 11.2020

Best Rank

English: #3397 03.2002

Global: #4090 03.2002

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information