Finite Group Databasebeta
Cayley diagram

#10177

order256
nilpotency class3
isoclinismisoclinic class of #10176
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC2×C42C23
prime radical#3205C2
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

307 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 307 conjugacy classes of subgroups — too many to draw. Only its 61 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

(1,2)(3,7)(4,6)(5,8)(11,18)(12,13)(15,19)(16,22)(20,21)(23,24);(2,6)(3,4)(7,8)(9,10)(11,19)(12,16)(13,22)(14,17)(15,21)(18,23)(20,24);(1,3,5,4)(2,7,8,6)(9,11)(10,15)(12,21)(13,18)(14,20)(16,24)(17,23)(19,22)

Polycyclic presentation:

2^8|c^2=g,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fh,c^b=cf,d^b=dg,f^b=fh,d^c=dh,e^c=eh,f^c=fh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#10177, #237195, #237205, …
maximal normal subgroup ofC2×#10177, #237195, #237205, …
maximal quotient of#102471, #102472, #102475, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3165);