Finite Group Databasebeta
Cayley diagram

#7662

order256
nilpotency class3
isoclinismisoclinic class of #7654
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C2×C22⋊C4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C23 ▷ C1

221 conjugacy classes of subgroups; only the 83 normal subgroups are shown.

normal subgroups only

This group has 221 conjugacy classes of subgroups — too many to draw. Only its 83 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) = 256

A minimal faithful permutation representation — 3 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=e,b^2=g,c^2=fg,d^2=g,e^2=h,b^a=bd,d^a=df,c^b=ch,d^b=dg,e^b=efg

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#98022, #98023, #98024, …
maximal normal subgroup of#98022, #98023, #98024, …
maximal quotient of#96269, #96746, #96930, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 650);