Finite Group Databasebeta
Cayley diagram

#127688

order512
nilpotency class4
isoclinismisoclinic class of #11915
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1533
commutatorC42C2×C42
Frattini, cosocleC2×#97C23
prime radicalC24#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×M16 ◁ G
LECSG ▷ C2×#97 ▷ C2×C4 ▷ C2 ▷ C1

396 conjugacy classes of subgroups; only the 130 normal subgroups are shown.

normal subgroups only

This group has 396 conjugacy classes of subgroups — too many to draw. Only its 130 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 — 3 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=f,d^2=g,f^2=h,h^2=i,b^a=bd,d^a=dg,f^a=fgh,h^a=hi,c^b=cg,d^b=dh,g^b=gi,f^c=fi,f^d=fi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72279219, #72309248, #72309249
maximal normal subgroup of#72279219, #72309248, #72309249
maximal quotient of#72280100

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 34884);