Finite Group Databasebeta
Cayley diagram

#20776

order256
nilpotency class3
isoclinismisoclinic class of #20671
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#117
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#383
prime radicalC24#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C22×M16 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

342 conjugacy classes of subgroups; only the 181 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 181 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) = 32

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=ef,c^2=e,e^2=h,f^2=h,b^a=be,c^a=cf,e^a=eh,d^b=dh,g^c=gh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#138390, #138391, #361226, …
maximal normal subgroup of#138390, #138391, #361226, …
maximal quotient of#191287, #191288, #191291, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13764);