Finite Group Databasebeta
Cayley diagram

#18075

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radical#466C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×M16 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

296 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=f,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cg,e^a=eg,d^b=dh,e^b=eg,d^c=dh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#484041, #484044, #484051, …
maximal normal subgroup of#484041, #484044, #484051, …
maximal quotient of#182569, #183693, #183940, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11063);