Finite Group Databasebeta
Cayley diagram

#12567

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 radicalC24D8
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 293 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)(7,18)(8,14)(9,25)(10,15)(11,28)(12,17)(13,20)(16,27)(19,30)(21,29)(22,36)(23,32)(24,33)(26,31)(34,35);(5,7,10,21,11,22,27,20,12,23,24,35,8,19,9,26)(6,13,16,30,14,29,15,32,17,31,25,36,28,34,33,18);(5,8,12,11)(6,14,17,28)(7,19,23,22)(9,24,27,10)(13,29,31,34)(15,25,33,16)(18,30,32,36)(20,21,26,35)

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=h,d^2=gh,f^2=g,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, #146346, #146432, …
maximal normal subgroup of#146343, #146346, #146432, …
maximal quotient of#126664, #126696, #126715, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5555);