Finite Group Databasebeta
Cayley diagram

#12569

order256
nilpotency class4
isoclinismisoclinic class of #360
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#102
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)(8,13)(9,23)(10,26)(11,15)(12,18)(14,24)(17,31)(19,29)(20,35)(21,28)(22,30)(25,36)(27,33)(32,34);(5,7,9,19,8,17,22,34,11,21,25,18,10,20,24,33)(6,12,14,28,26,32,36,31,15,29,30,16,13,27,23,35);(5,8,11,10)(6,13,15,26)(7,17,21,20)(9,22,25,24)(12,27,29,32)(14,23,30,36)(16,31,28,35)(18,33,19,34)

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146343, #146347, #146434, …
maximal normal subgroup of#146343, #146347, #146434, …
maximal quotient of#126666, #126698, #126717, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5557);