Finite Group Databasebeta
Cayley diagram

C2×#1860 #20862

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

Aliases

direct productC2×#1860

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

739 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1860, #354447, #356723, …
maximal normal subgroup ofC4×#1860, #354447, #356723, …
maximal quotient ofC2×#8840, C2×#8842, #191817, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13850);