Finite Group Databasebeta
Cayley diagram

#11578

order256
nilpotency class4
isoclinismisoclinic class of #11541
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC24C22×C4
Frattini, cosocleC2×C22⋊C4C23
prime radicalC22×D4C2×C4
LCSG ▷ C24 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1

213 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 213 conjugacy classes of subgroups — too many to draw. Only its 51 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:

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=g,e^2=g,b^a=bd,d^a=df,f^a=fh,c^b=cgh,d^b=dh,e^b=ef,e^d=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132409, #132410, #132411, …
maximal normal subgroup of#132409, #132410, #132411, …
maximal quotient of#125190, #125220, #125242, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4566);