Finite Group Databasebeta
Cayley diagram

#7864

order256
nilpotency class2
isoclinismisoclinic class of #7855
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutatorC2×C4C2×C42
Frattini, cosocleC2×C42C23
socleC22C2×#95
prime radicalC24C4⋊C4
LCSG ▷ C2×C4 ▷ C1
UCSC1 ◁ C2×C4 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

276 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 276 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=h,d^2=g,e^2=h,f^2=g,b^a=bd,f^a=fg,c^b=ch,e^b=eg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105591, #105693, #105883, …
maximal normal subgroup of#105591, #105693, #105883, …
maximal quotient of#94865, #94866, #94869, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 852);