Finite Group Databasebeta
Cayley diagram

#19743

order256
nilpotency class3
isoclinismisoclinic class of #19733
automorphismAut(G) order 49152
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

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

407 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 407 conjugacy classes of subgroups — too many to draw. Only its 115 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#19743⋊C3
maximal subgroup ofC2×#19743, #6357388, #6357439, …
maximal normal subgroup ofC2×#19743, #6357388, #6357439, …
maximal quotient of#191530, #206280, #206288, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12731);