Finite Group Databasebeta
Cayley diagram

C2×#1976 #21243

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1976

Subgroups

subgroupG/H
centerC2×C4#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#390
prime radicalC22×#135C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

737 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)(5,9,14,23)(6,16)(7,19)(8,11)(10,17)(12,20)(13,25,26,34)(15,29,28,22)(18,30)(21,32,33,27)(24,31);(3,5)(4,9,11,23)(6,13)(7,15)(8,14)(10,21,24,33)(12,22,19,29)(16,25,30,34)(17,27)(18,26)(20,28)(31,32);(3,6,7,17,8,18,20,31)(4,10,12,16,11,24,19,30)(5,13,15,27,14,26,28,32)(9,21,22,25,23,33,29,34)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147412, #147413, #147417, …
maximal normal subgroup of#147412, #147413, #147417, …
maximal quotient ofC2×#9667, C2×#9668, C2×#9669, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14231);