Finite Group Databasebeta
Cayley diagram

C4×Q64 #13651

order256
nilpotency class5
isoclinismisoclinic class of D32
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC4×Q64

Subgroups

subgroupG/H
centerC2×C4D16
commutatorC16C22×C4
Frattini, cosocleC2×C16C23
socle, prime radicalC22C2×D16
LCSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×C8 ◁ C4×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

95 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 68
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 68 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)(37,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38);(5,37,21,53)(6,38,22,54)(7,39,23,55)(8,40,24,56)(9,41,25,57)(10,42,26,58)(11,43,27,59)(12,44,28,60)(13,45,29,61)(14,46,30,62)(15,47,31,63)(16,48,32,64)(17,49,33,65)(18,50,34,66)(19,51,35,67)(20,52,36,68)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94608, #94610, C8×Q64, …
maximal normal subgroup of#94608, #94610, C8×Q64, …
maximal quotient ofC8×Q64, #151110, #151123, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6639);