Finite Group Databasebeta

D4×#6883 #14516249

order1944
nilpotency class4
isoclinismisoclinic class of D4×#6881
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C2×C3

Aliases

direct productD4×#6883
unambiguous semidirect productC4⋊(C2×#6883)

Subgroups

subgroupG/H
center, socleC2×C3C22×#732
commutator, Frattini, cosocleC2×C3×C9C22×C32
prime radicalD4×#732C3
LCSG ▷ C2×C3×C9 ▷ C32 ▷ C3 ▷ C1
UCSC1 ◁ C2×C3 ◁ C32×D4 ◁ C3×D4×C9 ◁ G

160 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 160 conjugacy classes of subgroups — too many to draw. Only its 54 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 108

A minimal faithful permutation representation — 2 generators on 31 points:

(1,2,3,4)(5,6,9,17,12,25,8,13,19)(7,14,18,26,24,31,15,11,23)(10,20,28,21,30,27,22,29,16);(2,4)(6,10,11,13,22,24,12,21,14)(7,15,26)(9,18,29,25,31,20,19,23,30)(16,28,27)

Conjugacy classes & character table

95 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 643);