Finite Group Databasebeta
Cayley diagram

#138561

order512
nilpotency class4
isoclinismisoclinic class of #138556
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#19125C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C8×#41 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

335 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 335 conjugacy classes of subgroups — too many to draw. Only its 84 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) = 32
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 32 points:

(1,2,5,8)(3,6)(4,9,13,14)(7,12)(10,16)(11,15)(17,18,21,24,22,26,31,25)(19,27,23,30,29,32,28,20);(1,3)(2,6,8,16)(4,12)(5,10)(7,14,15,9)(11,13)(17,19,20,18,21,28,27,25,22,29,30,26,31,23,32,24);(1,3)(2,7)(4,12)(5,10)(6,14)(8,15)(9,16)(11,13)

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,d^2=ghi,e^2=hi,f^2=i,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,d^b=dh,e^b=ehi,f^b=fh,d^c=dhi,e^c=ehi,f^c=fhi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72227031, #72227159, #72227177, …
maximal normal subgroup of#72227031, #72227159, #72227177, …
maximal quotient of#72227021

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45757);