Finite Group Databasebeta
Cayley diagram

#22396

order256
nilpotency class2
isoclinismisoclinic class of #2668
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

369 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 369 conjugacy classes of subgroups — too many to draw. Only its 151 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)(17,18,21,25,22,19,23,27)(20,24,29,31,28,26,30,32);(1,3,6,2)(4,7,5,8)(17,19,21,27,22,18,23,25)(20,24,29,31,28,26,30,32);(1,4,6,5)(2,7,3,8)(10,13)(14,16)(17,20)(18,24)(19,26)(21,29)(22,28)(23,30)(25,31)(27,32);(1,5,6,4)(2,7,3,8)(9,11,12,15)(10,14,13,16)(18,19)(20,28)(25,27)(29,30)

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^b=dh,d^c=dh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#22396, #6376970, #6376972, …
maximal normal subgroup ofC2×#22396, #6376970, #6376972, …
maximal quotient of#355318, #355672, #355708, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15384);