Finite Group Databasebeta
Cayley diagram

#12749

order256
nilpotency class4
isoclinismisoclinic class of #2192
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#447
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#578C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

441 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 441 conjugacy classes of subgroups — too many to draw. Only its 87 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) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

(1,2)(3,4)(5,6,11,16,12,8,10,15)(7,17,21,33,22,34,20,31)(9,24,27,23,28,32,26,14)(13,25,30,36,18,35,29,19);(5,7)(6,13)(8,18)(9,25)(10,20)(11,21)(12,22)(14,31)(15,29)(16,30)(17,24)(19,26)(23,33)(27,36)(28,35)(32,34);(2,4)(5,8,12,6)(7,18,22,13)(9,23,28,14)(10,15,11,16)(17,19,34,36)(20,29,21,30)(24,26,32,27)(25,33,35,31)

Polycyclic presentation:

2^8|a^2=f,c^2=h,d^2=gh,e^2=h,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dg,g^b=gh,e^c=eh,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#12749, #493550, #493552, …
maximal normal subgroup ofC2×#12749, #493550, #493552, …
maximal quotient of#129521, #129563, #129792, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5737);