Finite Group Databasebeta
Cayley diagram

#20459

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 65536
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC22C22×C4⋊C4
prime radicalC24C2×Q8
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

497 conjugacy classes of subgroups; only the 343 normal subgroups are shown.

normal subgroups only

This group has 497 conjugacy classes of subgroups — too many to draw. Only its 343 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2,4,3)(5,6,9,14,11,16,10,15)(7,17,19,26,20,30,24,12)(8,13,22,28,21,27,23,29)(18,31,33,35,32,36,34,25);(5,7,10,19,11,20,9,24)(6,12,15,17,16,26,14,30)(8,18,23,33,21,32,22,34)(13,25,29,31,27,35,28,36);(1,3,4,2)(5,8,11,21)(6,13,16,27)(7,18,20,32)(9,22,10,23)(12,25,26,35)(14,28,15,29)(17,31,30,36)(19,33,24,34);(8,21)(13,27)(18,32)(22,23)(25,35)(28,29)(31,36)(33,34)

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#135269, #138288, #138289, …
maximal normal subgroup of#135269, #138288, #138289, …
maximal quotient of#183366, #183374, #183381, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13447);