Finite Group Databasebeta
Cayley diagram

#12561

order256
nilpotency class4
isoclinismisoclinic class of #509
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D8
commutatorC8C2×C42
Frattini, cosocleC22×C8C23
socleC22C2×#102
prime radicalC24SD16
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

285 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 285 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146346, #146347, #146446, …
maximal normal subgroup of#146346, #146347, #146446, …
maximal quotient of#126651, #126689, #126706, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5549);