Finite Group Databasebeta
Cayley diagram

#19424

order256
nilpotency class3
isoclinismisoclinic class of #19420
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radical#3100C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

319 conjugacy classes of subgroups; only the 105 normal subgroups are shown.

normal subgroups only

This group has 319 conjugacy classes of subgroups — too many to draw. Only its 105 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#19424, #6354476, #6354516, …
maximal normal subgroup ofC2×#19424, #6354476, #6354516, …
maximal quotient of#189143, #197869, #197949, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12412);