Finite Group Databasebeta
Cayley diagram

Q8×C22⋊Q8 #36542

order256
nilpotency class2
isoclinismisoclinic class of D4×#120
automorphismAut(G) order 393216
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productQ8×C22⋊Q8

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radicalC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

1200 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 20 points:

(13,14,16,18)(15,20,17,19);(13,15,16,17)(14,19,18,20);(2,4)(5,6,8,10)(7,11,12,9)(13,17,16,15)(14,19,18,20);(5,7,8,12)(6,9,10,11)(13,18,16,14)(15,20,17,19);(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofSL(2,𝔽3)×C22⋊Q8
maximal subgroup of#98198, Q8×#328, #224142, …
maximal normal subgroup of#98198, Q8×#328, #224142, …
maximal quotient ofQ8×#385, Q8×#387, Q8×#389, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29530);