Finite Group Databasebeta
Cayley diagram

C2×#1859 #20861

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1859

Subgroups

subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

783 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);(3,4,6,5)(8,12)(9,10)(13,14);(3,5,6,4)(7,8)(9,14)(10,12)(11,13);(7,8)(9,12)(10,14)(11,13)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1859, #354447, #356724, …
maximal normal subgroup ofC4×#1859, #354447, #356724, …
maximal quotient ofC2×#8839, C2×#8841, #191816, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13849);