Finite Group Databasebeta
Cayley diagram

#22286

order256
nilpotency class3
isoclinismisoclinic class of #22284
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2328
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radical#3155C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

410 conjugacy classes of subgroups; only the 149 normal subgroups are shown.

normal subgroups only

This group has 410 conjugacy classes of subgroups — too many to draw. Only its 149 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 — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=egh,c^2=ef,d^2=eh,e^2=h,f^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=ce,f^b=fh,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#496130, #496132, #497148, …
maximal normal subgroup of#496130, #496132, #497148, …
maximal quotient of#219487, #219488, #219490, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15274);