Finite Group Databasebeta
Cayley diagram

#94801

order512
nilpotency class6
isoclinismisoclinic class of #7533
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22×C8

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1409
commutatorC4×C8C42
Frattini, prime radical, cosocleC2×#493C22
LCSG ▷ C4×C8 ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C42 ◁ C2×#493 ◁ G
LECSG ▷ C2×#493 ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1

256 conjugacy classes of subgroups; only the 38 normal subgroups are shown.

normal subgroups only

This group has 256 conjugacy classes of subgroups — too many to draw. Only its 38 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=d,b^2=e,c^2=gh,e^2=h,f^2=hi,g^2=i,b^a=bc,c^a=cf,e^a=eghi,f^a=fg,g^a=gh,h^a=hi,c^b=ci,d^b=dfg,d^c=dgh,e^d=eh,f^d=fhi,g^d=gi

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72279613, #72279664, #72279670, …
maximal normal subgroup of#72279613, #72279664, #72279670, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 1997);