Finite Group Databasebeta
Cayley diagram

#11109

order256
nilpotency class3
isoclinismisoclinic class of #11000
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#390
commutatorC22×C4C22×C4
Frattini, cosocleC23×C4C23
socleC2#1439
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

426 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 117 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) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131356, #131357, #144728, …
maximal normal subgroup of#131356, #131357, #144728, …
maximal quotient of#116433, #116463, #116465, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4097);