Finite Group Databasebeta
Cayley diagram

#7186

order256
nilpotency class3
isoclinismisoclinic class of #327
automorphismAut(G) order 4096
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C22⋊C4
commutatorC2×C4C4×C8
Frattini, cosocleC23×C8C22
socleC23C22⋊C8
prime radicalC24M16
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C8 ◁ G
LECSG ▷ C23×C8 ▷ C2×C4 ▷ C2 ▷ C1

163 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 163 conjugacy classes of subgroups — too many to draw. Only its 63 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) = 44
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 2 generators on 44 points:

(5,6)(7,11,12,9)(8,10)(13,14,17,22,18,23,32,40,19,24,33,41,16,21,30,38)(15,25,27,42,26,36,43,39,28,37,31,44,29,20,34,35);(1,2,3,4)(5,7)(6,9)(8,12)(10,11)(13,15)(14,20)(16,29)(17,31)(18,26)(19,28)(21,37)(22,39)(23,25)(24,36)(27,33)(30,43)(32,34)(35,41)(38,42)(40,44)

Polycyclic presentation:

2^8|a^2=d,b^2=e,c^2=h,d^2=g,g^2=h,b^a=bc,c^a=cf,c^b=ch,d^b=dfh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93903, #93906, #93952, …
maximal normal subgroup of#93903, #93906, #93952, …
maximal quotient of#92987, #92988, #92989, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 174);