normal subgroup
type: Concept
preferred label: زیرگروه نرمال @fa
related: quasinormal subgroup

quasinormal subgroup
type: Concept
broader: group
preferred label: زیرگروه شبه نرمال @fa
related: normal subgroup
related: Iwasawa group
related: modular group
related: modular subgroup

Iwasawa group
type: Concept
preferred label: گروه ایواساوا @fa
related: quasinormal subgroup

modular subgroup
type: Concept
preferred label: زیرگروه مدولار @fa
related: quasinormal subgroup

modular group
type: Concept
preferred label: گروه مدولار @fa
related: quasinormal subgroup

group
type: Concept
narrower: quasinormal subgroup
preferred label: گروه @fa