Finite Group Databasebeta
Cayley diagram

#22394

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radicalC22×D4C2×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

353 conjugacy classes of subgroups; only the 147 normal subgroups are shown.

normal subgroups only

This group has 353 conjugacy classes of subgroups — too many to draw. Only its 147 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=eg,c^2=e,d^2=ef,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=ceh,d^c=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#22394, #6376969, #6376972, …
maximal normal subgroup ofC2×#22394, #6376969, #6376972, …
maximal quotient of#355314, #355671, #355719, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15382);