Finite Group Databasebeta
Cayley diagram

#33340

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) = C4×#72217027 (order 6144) · Inn(G) = C22×D4 · Out(G) = C2×C4×S4
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC8C22×D4
commutatorC4C23×C8
Frattini, cosocleC2×C8C24
socleC2C22×C22⋊C8
prime radical#585C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C8 ◁ C2×#131 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

557 conjugacy classes of subgroups; only the 261 normal subgroups are shown.

normal subgroups only

This group has 557 conjugacy classes of subgroups — too many to draw. Only its 261 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) = 64
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 64 points:

(1,2,6,12,7,13,27,40,8,14,28,41,5,11,25,38)(3,15,18,43,17,32,47,39,19,37,26,53,24,9,29,31)(4,10,22,35,23,36,52,61,20,33,48,57,21,34,50,59)(16,42,46,62,45,55,63,60,44,58,51,64,49,30,54,56);(1,3)(2,9)(4,16)(5,24)(6,26)(7,17)(8,19)(10,30)(11,37)(12,39)(13,15)(14,32)(18,28)(20,44)(21,49)(22,51)(23,45)(25,47)(27,29)(31,41)(33,55)(34,58)(35,60)(36,42)(38,43)(40,53)(46,48)(50,63)(52,54)(56,57)(59,62)(61,64);(1,4)(2,10)(3,16)(5,21)(6,22)(7,23)(8,20)(9,30)(11,34)(12,35)(13,36)(14,33)(15,42)(17,45)(18,46)(19,44)(24,49)(25,50)(26,51)(27,52)(28,48)(29,54)(31,56)(32,55)(37,58)(38,59)(39,60)(40,61)(41,57)(43,62)(47,63)(53,64);(4,20)(10,33)(16,44)(21,23)(22,48)(30,55)(34,36)(35,57)(42,58)(45,49)(46,51)(50,52)(54,63)(56,60)(59,61)(62,64)

Polycyclic presentation:

2^8|a^2=f,e^2=h,f^2=g,g^2=h,b^a=be,e^b=eh,f^b=fh,d^c=dh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#33340⋊C3
maximal subgroup of#496805, #496806, #496807, …
maximal normal subgroup of#496805, #496806, #496807, …
maximal quotient of#480009, #480045, #480069, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26328);