Finite Group Databasebeta
Cayley diagram

C4×#417 #20414

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 65536
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC4×#417

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC22×#41C22
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

853 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

(1,2,3,4);(5,6,7,8)(10,13)(11,15)(14,16);(9,10)(11,16)(12,14)(13,15);(10,14)(13,16)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105636, #105637, #106406, …
maximal normal subgroup of#105636, #105637, #106406, …
maximal quotient ofC4×#1477, #182160, #182172, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13402);