Finite Group Databasebeta
Cayley diagram

#7611

order256
nilpotency class3
isoclinismisoclinic class of #7606
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C2×C22⋊C4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C23 ▷ C1

204 conjugacy classes of subgroups; only the 65 normal subgroups are shown.

normal subgroups only

This group has 204 conjugacy classes of subgroups — too many to draw. Only its 65 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) = 32
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97879, #97880, #97882, …
maximal normal subgroup of#97879, #97880, #97882, …
maximal quotient of#96248, #96735, #96737, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 599);