Finite Group Databasebeta
Cayley diagram

#11565

order256
nilpotency class4
isoclinismisoclinic class of #11549
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC22×C4C22×C4
Frattini, cosocleC2×C4⋊C4C23
prime radicalC22×D4C2×C4
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1

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

normal subgroups only

This group has 206 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 24 points:

(1,2,4,8,5,6,3,7)(9,10)(11,15)(12,16,20,14)(13,17)(18,22,24,21)(19,23);(2,6)(3,4)(10,14)(12,20)(15,21)(16,17)(18,24)(22,23);(1,3,5,4)(2,7,6,8)(9,11,13,19)(10,15,17,23)(12,18,20,24)(14,21,16,22)

Polycyclic presentation:

2^8|a^2=e,c^2=gh,d^2=h,e^2=g,b^a=bd,d^a=df,f^a=fh,c^b=cg,d^b=dh,e^b=efh,e^d=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132257, #132258, #132259, …
maximal normal subgroup of#132257, #132258, #132259, …
maximal quotient of#125165, #125208, #125229, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4553);