Finite Group Databasebeta
Cayley diagram

C4×#424 #20426

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 131072
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

direct productC4×#424

Subgroups

subgroupG/H
centerC2×C42C23
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
socleC23C23×C4
prime radicalC24C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

587 conjugacy classes of subgroups; only the 367 normal subgroups are shown.

normal subgroups only

This group has 587 conjugacy classes of subgroups — too many to draw. Only its 367 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) = 128

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

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#109467, #109468, #109469, …
maximal normal subgroup of#109467, #109468, #109469, …
maximal quotient ofC8×#424, #183300, #183301, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13414);