Finite Group Databasebeta
Cayley diagram

C2×#1911 #21010

order256
nilpotency class3
isoclinismisoclinic class of #1909
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1911

Subgroups

subgroupG/H
center, socleC22#386
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#535C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

987 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

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

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146654, #147811, #147812, …
maximal normal subgroup of#146654, #147811, #147812, …
maximal quotient ofC2×#9099, C2×#9101, #196237, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13998);