Finite Group Databasebeta
Cayley diagram

C8×Q8 #445

order64
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = C23×#1020 (order 768) · Inn(G) = C22 · Out(G) = C23×S4
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

direct productC8×Q8

Subgroups

subgroupG/H
centerC2×C8C22
commutatorC2C22×C8
Frattini, cosocleC2×C4C23
socle, prime radicalC22C22×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

51 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 16 points:

(9,10,11,13,12,14,15,16);(1,2,4,6)(3,7,8,5);(1,3,4,8)(2,5,6,7)

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

derived subgroup of#33925⋊C3, #33926⋊C3, #33929⋊C3, …
Fitting subgroup ofC8×SL(2,𝔽3), SL(2,𝔽3)⋊C16, C8×#226, …
maximal subgroup ofQ8⋊C16, C8×SD16, C8×Q16, …
maximal normal subgroup ofQ8⋊C16, C8×SD16, C8×Q16, …
maximal quotient ofC8×C4⋊C4, #1916, #1939, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(64, 126);