Finite Group Databasebeta
Cayley diagram

C2×#1711 #19599

order256
nilpotency class3
isoclinismisoclinic class of #1705
automorphismAut(G) order 393216
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

direct productC2×#1711

Subgroups

subgroupG/H
center, socleC23#127
commutator, Frattini, cosocleC42C24
prime radicalC2×#127C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

401 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#1711⋊C3
maximal subgroup ofC4×#1711, #212891, #212906, …
maximal normal subgroup ofC4×#1711, #212891, #212906, …
maximal quotient ofC2×#8817, C2×#9821, C2×#9822, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12587);