Finite Group Databasebeta
Cayley diagram

C2×#1373 #12010

order256
nilpotency class4
isoclinismisoclinic class of D16
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

direct productC2×#1373

Subgroups

subgroupG/H
centerC2×C8D8
commutatorC8C22×C8
Frattini, cosocleC4×C8C23
socleC22#335
prime radicalC23#108
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C22×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

115 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 34 points:

(1,2);(3,4,7,12,8,14,6,22,9,15,17,11,23,13,24,29)(5,16,19,26,20,31,18,10,21,25,32,27,33,30,34,28);(3,5,17,32,8,20,24,34,9,21,7,19,23,33,6,18)(4,10,22,30,13,26,12,25,15,28,29,31,14,27,11,16)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94027, #94028, #94029, …
maximal normal subgroup of#94027, #94028, #94029, …
maximal quotient ofC2×#7100, C2×#7101, #122930, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4998);