Finite Group Databasebeta
Cayley diagram

C2×#1883 #20941

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1883

Subgroups

subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×AGL(1,ℤ/8)C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1009 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1883, #354245, #356676, …
maximal normal subgroup ofC4×#1883, #354245, #356676, …
maximal quotient ofC2×#8954, C2×#8956, #193740, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13929);