Finite Group Databasebeta
Cayley diagram

C2×#1924 #21045

order256
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1924

Subgroups

subgroupG/H
centerC23×C4C23
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC24C22×C4
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

699 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1924, #354330, #354332, …
maximal normal subgroup ofC4×#1924, #354330, #354332, …
maximal quotient ofC2×#9545, C2×#9547, C2×#9546, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14033);