Finite Group Databasebeta
Cayley diagram

C22×#441 #60153

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 3145728
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC22×#441

Subgroups

subgroupG/H
center, socle, prime radicalC24C2×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1395 conjugacy classes of subgroups; only the 823 normal subgroups are shown.

normal subgroups only

This group has 1395 conjugacy classes of subgroups — too many to draw. Only its 823 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 — 5 generators on 24 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#441
maximal subgroup of#111568, #146800, C2×#9088, …
maximal normal subgroup of#111568, #146800, C2×#9088, …
maximal quotient ofC22×#1579, C22×#1587, C22×#1593, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53141);