Finite Group Databasebeta
Cayley diagram

#244791

order512
nilpotency class3
isoclinismisoclinic class of #244791
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23D42
commutator, Frattini, cosocleC2×C42C24
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1884 conjugacy classes of subgroups; only the 202 normal subgroups are shown.

normal subgroups only

This group has 1884 conjugacy classes of subgroups — too many to draw. Only its 202 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) = 128

A minimal faithful permutation representation — 4 generators on 20 points:

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

Polycyclic presentation:

2^9|e^2=h,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fi,g^a=gi,c^b=cg,e^b=eh,f^b=fi,g^b=gi,f^c=fi,g^c=gi,e^d=eh

Conjugacy classes & character table

71 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72310284, #72310289, #72310301, …
maximal normal subgroup of#72310284, #72310289, #72310301, …
maximal quotient ofC2×#244791

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 151987);