Finite Group Databasebeta
Cayley diagram

#7878

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C2×C42
Frattini, cosocleC2×C42C23
socleC23C2×C4⋊C4
prime radicalC24C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

287 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 287 conjugacy classes of subgroups — too many to draw. Only its 135 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) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=g,d^2=g,e^2=h,f^2=g,b^a=bd,d^a=dg,f^a=fg,c^b=ch

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105776, #107255, #107450, …
maximal normal subgroup of#105776, #107255, #107450, …
maximal quotient of#94886, #94890, #94896, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 866);