Finite Group Databasebeta
Cayley diagram

#21428

order256
nilpotency class3
isoclinismisoclinic class of #17386
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#540C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

569 conjugacy classes of subgroups; only the 191 normal subgroups are shown.

normal subgroups only

This group has 569 conjugacy classes of subgroups — too many to draw. Only its 191 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2)(3,6)(4,5)(7,8)(9,10,13,17,14,16,21,11)(12,15,20,23,19,22,24,18);(9,11,13,16,14,17,21,10)(12,18,20,22,19,23,24,15);(2,5)(6,8)(9,12,14,19)(10,15,16,22)(11,18,17,23)(13,20,21,24);(1,3,4,7)(2,6,5,8)(12,19)(15,22)(18,23)(20,24)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#215090, #215094, #215098, …
maximal normal subgroup of#215090, #215094, #215098, …
maximal quotient of#207674, #207676, #207692, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14416);