Finite Group Databasebeta
Cayley diagram

C42×Q8 #2272

order128
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 147456
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

direct productC42×Q8

Subgroups

subgroupG/H
centerC2×C42C22
commutatorC2C22×C42
Frattini, socle, prime radical, cosocleC23C24
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C23 ▷ C1

342 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

derived subgroup of#73284, C2×#73284, #11709745, …
Fitting subgroup ofQ8×C42⋊C3, C42×SL(2,𝔽3), #73284, …
maximal subgroup ofC4×Q8⋊C8, #8171, #8173, …
maximal normal subgroup ofC4×Q8⋊C8, #8171, #8173, …
maximal quotient ofC42×C4⋊C4, C4×#387, C4×#389, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1004);