Finite Group Databasebeta
Cayley diagram

#13038

order256
nilpotency class4
isoclinismisoclinic class of #12077
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#442
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#135C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#97 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

237 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 237 conjugacy classes of subgroups — too many to draw. Only its 69 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 — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=dfg,c^2=h,d^2=g,e^2=gh,f^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,d^b=dg,e^b=egh,f^b=fg,g^b=gh,d^c=dgh,e^c=eg,f^c=fgh,g^c=gh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13038, #494559, #494561, …
maximal normal subgroup ofC2×#13038, #494559, #494561, …
maximal quotient of#136706, #136708, #136740, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6026);