Finite Group Databasebeta

C22×#7630939 #72268544

order2048
nilpotency class2
automorphism?
homologyAbelianization (H1) = C28 · Schur multiplier (H2) = C228

Aliases

direct productC22×#7630939

Subgroups

subgroupG/H
center, socleC25C26
commutator, Frattini, cosocleC23C28
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C23 ▷ C1

9327144 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 8 generators on 20 points:

(14,17)(18,20);(15,19)(18,20);(6,8)(10,12);(3,4);(1,2)(3,4);(10,12);(13,14,16,17)(15,18,19,20);(5,6)(7,8)(9,10)(11,12)(13,15)(14,18)(16,19)(17,20)

Conjugacy classes & character table

512 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×#72256579, C23×#7630939, C22×#72217511, …
maximal normal subgroup ofC2×#72256579, C23×#7630939, C22×#72217511, …
maximal quotient of#72268601, C2×#72256579, C22×D4×#2846, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((14,17)(18,20), (15,19)(18,20), (6,8)(10,12), (3,4), (1,2)(3,4), (10,12), (13,14,16,17)(15,18,19,20), (5,6)(7,8)(9,10)(11,12)(13,15)(14,18)(16,19)(17,20));