Finite Group Databasebeta
Cayley diagram

#93381

order512
nilpotency class4
isoclinismisoclinic class of #1366
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#333
commutatorC42C4×C8
Frattini, cosocleC2×C43C22
socleC22#1272
prime radicalC24#99
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C2×C43 ◁ G
LECSG ▷ C2×C43 ▷ C22×C4 ▷ C2 ▷ C1

454 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 454 conjugacy classes of subgroups — too many to draw. Only its 122 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 2 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=d,b^2=e,c^2=fi,e^2=h,g^2=i,b^a=bc,c^a=cf,e^a=efgi,g^a=gi,h^a=hi,c^b=cg,d^b=di,f^b=fi,g^b=gi

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72227993
maximal normal subgroup of#72227993
maximal quotient of#72237310, #72237312, #72237313, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 577);