Finite Group Databasebeta
Cayley diagram

#19668

order256
nilpotency class3
isoclinismisoclinic class of #19651
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
prime radicalC23#127
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

322 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 48
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 48 points:

(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,15)(13,16)(17,18,22,26)(19,27,31,41)(20,24,32,38)(21,34,28,25)(23,35,37,30)(29,40,43,48)(33,45,42,39)(36,46,47,44);(17,19,28,35,22,31,21,30)(18,23,34,41,26,37,25,27)(20,29,42,46,32,43,33,44)(24,36,45,48,38,47,39,40);(1,3,5,12,6,13,4,11)(2,7,8,10,9,15,14,16)(17,20,22,32)(18,24,26,38)(19,29,31,43)(21,33,28,42)(23,36,37,47)(25,39,34,45)(27,40,41,48)(30,44,35,46);(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)(20,32)(24,38)(29,43)(33,42)(36,47)(39,45)(40,48)(44,46)

Polycyclic presentation:

2^8|a^2=g,b^2=eg,c^2=fg,d^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^c=dg

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#141368, #141372, #141826, …
maximal normal subgroup of#141368, #141372, #141826, …
maximal quotient of#191517, #206145, #206232, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12656);