Finite Group Databasebeta
Cayley diagram

#13072

order256
nilpotency class4
isoclinismisoclinic class of #2221
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#466
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#41D4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

229 conjugacy classes of subgroups; only the 75 normal subgroups are shown.

normal subgroups only

This group has 229 conjugacy classes of subgroups — too many to draw. Only its 75 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) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13072, #494658, #494659, …
maximal normal subgroup ofC2×#13072, #494658, #494659, …
maximal quotient of#137617, #137657, #137982, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6060);