Finite Group Databasebeta

D4×#6908 #14517823

order1944
nilpotency class3
isoclinismisoclinic class of D4×AΣL(1,𝔽27)
automorphism?
homologyAbelianization (H1) = C22×C33 · Schur multiplier (H2) = C2×C33

Aliases

direct productD4×#6908
unambiguous semidirect productC4⋊(C2×#6908)

Subgroups

subgroupG/H
centerC2×C9C22×H(3,𝔽3)
commutator, Frattini, cosocleC2×C32C22×C33
socleC2×C3C22×C3×H(3,𝔽3)
LCSG ▷ C2×C32 ▷ C3 ▷ C1
UCSC1 ◁ C2×C9 ◁ C3×D4×C9 ◁ G

536 conjugacy classes of subgroups; only the 198 normal subgroups are shown.

normal subgroups only

This group has 536 conjugacy classes of subgroups — too many to draw. Only its 198 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 — 3 generators on 31 points:

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

Conjugacy classes & character table

255 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 2217);