Finite Group Databasebeta
Cayley diagram

C2×#1935 #21084

order256
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1935

Subgroups

subgroupG/H
center, socle, prime radicalC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

603 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1935, #354374, #354376, …
maximal normal subgroup ofC4×#1935, #354374, #354376, …
maximal quotient ofC2×#9555, C2×#9559, #202569, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14072);