Finite Group Databasebeta
Cayley diagram

#13241

order256
nilpotency class4
isoclinismisoclinic class of #2215
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D8
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
socleC22C4×D8
prime radicalC2×#508C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

213 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 213 conjugacy classes of subgroups — too many to draw. Only its 71 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)(5,6,11,17,12,19,28,18)(7,14,22,34,23,31,36,35)(8,24,20,13,26,32,21,33)(9,27,29,15,10,30,25,16);(1,2,3,4)(5,7,10,21,28,36,29,26,12,23,9,20,11,22,25,8)(6,13,15,14,17,32,30,34,19,33,16,31,18,24,27,35);(5,8,25,22,11,20,9,23,12,26,29,36,28,21,10,7)(6,14,30,33,18,35,15,32,19,31,27,13,17,34,16,24)

Polycyclic presentation:

2^8|a^2=f,b^2=dfg,c^2=eg,d^2=gh,e^2=gh,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93917, #93918, #152525, …
maximal normal subgroup of#93917, #93918, #152525, …
maximal quotient of#140722, #140723, #140724, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6229);