Zassenhaus lemma

Summary

Zassenhaus lemma is a lemma^[1]. It draws 31 Wikipedia views per month (lemma category, ranking #26 of 67).^[2]

Key Facts

• Zassenhaus lemma's image is recorded as Butterfly lemma.svg^[3].
• Zassenhaus lemma's instance of is recorded as lemma^[4].
• Hans Zassenhaus is named after Zassenhaus lemma^[5].
• Zassenhaus lemma's Freebase ID is recorded as /m/03kyr4^[6].
• Zassenhaus lemma's defining formula is recorded as B\mathrel\vartriangleleft A\le G\ge C\mathrel\vartriangleright D\implies\frac{(A\cap C)B}{(A\cap D)B}\cong\frac {(A\cap C)D}{(B\cap C)D}^[7].
• Zassenhaus lemma's studied by is recorded as group theory^[8].
• Zassenhaus lemma's maintained by WikiProject is recorded as WikiProject Mathematics^[9].
• Zassenhaus lemma's Microsoft Academic ID is recorded as 2780791844^[10].

Why It Matters

Zassenhaus lemma draws 31 Wikipedia views per month (lemma category, ranking #26 of 67).^[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.^[11] It is known by 4 alternative names across languages and contexts.^[12]