Finite Group Databasebeta
Cayley diagram

C4⋊Q8 #128

order32
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) = #511790 (order 512) · Inn(G) = C23 · Out(G) = C2×#120
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC4⋊Q8

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC22C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ G
LECSG ▷ C22 ▷ C1

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 3 generators on 12 points:

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

Polycyclic presentation:

2^5|a^2=d,b^2=d,c^2=e,b^a=bd,c^a=ce

Conjugacy classes & character table

14 conjugacy classes — view the full character table.

Relationships

derived subgroup of#7519, #7520, #7521, …
Frattini subgroup of#1405, #1410, #1411, …
Fitting subgroup ofC4⋊Q8×A5, C4⋊#91883, #14515210
maximal subgroup of#332, #333, #356, …
maximal normal subgroup of#332, #333, #356, …
maximal quotient of#384, #389, #391, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32, 35);