Finite Group Databasebeta
Cayley diagram

#22259

order256
nilpotency class3
isoclinismisoclinic class of #3198
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radicalC23C2×#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#97 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

297 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#149884, #326653, #326654, …
maximal normal subgroup of#149884, #326653, #326654, …
maximal quotient of#219267, #219268, #219269, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15247);