Finite Group Databasebeta
Cayley diagram

#12646

order256
nilpotency class4
isoclinismisoclinic class of #360
automorphismAut(G) order 2048
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC8#102
commutatorC8C2×C42
Frattini, cosocleC22×C8C23
socleC2C4×#102
prime radicalC2×#135C22
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C8 ◁ C22×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

214 conjugacy classes of subgroups; only the 93 normal subgroups are shown.

normal subgroups only

This group has 214 conjugacy classes of subgroups — too many to draw. Only its 93 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) = 32

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

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=e,d^2=gh,e^2=h,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#128675, #128695, #128714, …
maximal normal subgroup of#128675, #128695, #128714, …
maximal quotient of#128537, #128592, #128605, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5634);