Finite Group Databasebeta
Cayley diagram

C2×Q64 #2261

order128
nilpotency class5
isoclinismisoclinic class of D32
automorphismAut(G) = #72225134 (order 4096) · Inn(G) = D16 · Out(G) = #2929
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×Q64

Subgroups

subgroupG/H
center, socle, prime radicalC22D16
commutator, Frattini, cosocleC16C23
LCSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ G
LECSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 66
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 66 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)(35,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36);(3,35,19,51)(4,36,20,52)(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)

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#7538, #7542, C4×Q64, …
maximal normal subgroup of#7538, #7542, C4×Q64, …
maximal quotient ofC2×#1416, C2×#1423, C4×Q64, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 993);