Finite Group Databasebeta
Cayley diagram

C2×#1881 #20938

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1881

Subgroups

subgroupG/H
centerC2×C4#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#386
prime radicalC2×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

841 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 34 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1881, #354247, #354320, …
maximal normal subgroup ofC4×#1881, #354247, #354320, …
maximal quotient ofC2×#8953, C2×#8954, #193726, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13926);