Finite Group Databasebeta
Cayley diagram

#23505

order256
nilpotency class3
isoclinismisoclinic class of #23391
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×#127C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1067 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 1067 conjugacy classes of subgroups — too many to draw. Only its 183 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(1,2)(3,4)(6,7)(10,14)(11,12)(15,16);(5,6)(7,8)(10,15)(11,12)(14,16);(2,4)(5,7,8,6)(9,10)(11,15)(12,14)(13,16);(10,16)(14,15)

Polycyclic presentation:

2^8|c^2=e,f^2=h,g^2=h,b^a=be,c^a=cf,f^a=fh,g^a=gh,c^b=cg,f^b=fh,g^b=gh,d^c=dh,f^c=fh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#101268, #101269, #165886, …
maximal normal subgroup of#101268, #101269, #165886, …
maximal quotient of#238441, #238447, #238450, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16493);