Finite Group Databasebeta

C22×D4×#546 #72324181

order2048
nilpotency class2
automorphism?
homologyAbelianization (H1) = C28 · Schur multiplier (H2) = C227

Aliases

direct productC22×D4×#546

Subgroups

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

At least 7095 conjugacy classes of subgroups; only the 477184 normal subgroups are shown.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC22×D4×#3484
maximal normal subgroup ofC22×D4×#3484

GAP

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

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