Finite Group Databasebeta
Cayley diagram

C4×#405 #20330

order256
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 262144
homologyAbelianization (H1) = C2×C43 · Schur multiplier (H2) = C22×C43

Aliases

direct productC4×#405

Subgroups

subgroupG/H
centerC2×C4×C8C22
commutatorC2C2×C43
Frattini, cosocleC22×C4C24
socleC23C23×C4
prime radicalC24C22×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

763 conjugacy classes of subgroups.

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);(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

160 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105360, #105361, #105365, …
maximal normal subgroup of#105360, #105361, #105365, …
maximal quotient ofC4×C8×M16, C4×#1450, C8×#405, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13318);