Finite Group Databasebeta
Cayley diagram

C4×SD64 #13650

order256
nilpotency class5
isoclinismisoclinic class of D32
automorphismAut(G) = C24×#12067 (order 4096) · Inn(G) = D16 · Out(G) = C24×C8
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC4×SD64

Subgroups

subgroupG/H
centerC2×C4D16
commutatorC16C22×C4
Frattini, cosocleC2×C16C23
socleC22C2×D16
prime radicalC2×D16C22
LCSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×C8 ◁ C4×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

101 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

(1,2,3,4);(5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36);(6,20)(7,35)(8,18)(9,33)(10,16)(11,31)(12,14)(13,29)(15,27)(17,25)(19,23)(22,36)(24,34)(26,32)(28,30)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×SD64, #151078, #151108, …
maximal normal subgroup ofC8×SD64, #151078, #151108, …
maximal quotient ofC8×SD64, #151108, #151109, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6638);