Finite Group Databasebeta
Cayley diagram

#23618

order256
nilpotency class3
isoclinismisoclinic class of #23391
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

659 conjugacy classes of subgroups; only the 179 normal subgroups are shown.

normal subgroups only

This group has 659 conjugacy classes of subgroups — too many to draw. Only its 179 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)(9,10,14,16)(11,13,15,12);(5,6)(7,8)(9,11,12,10,14,15,13,16);(2,4)(6,8)(10,11)(12,13)(15,16);(9,12,14,13)(10,11,16,15)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#395727, #395902, #395904, …
maximal normal subgroup of#395727, #395902, #395904, …
maximal quotient of#242460, #242463, #242467, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16606);