Finite Group Databasebeta

C2×AGL(2,𝔽3) #11724694

order864
isoclinismisoclinic class of AGL(2,𝔽3)
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productC2×AGL(2,𝔽3)
unambiguous semidirect product(PSU(3,𝔽2)⋊C3)⋊C22
unambiguous semidirect product(C2×PSU(3,𝔽2)⋊C3)⋊C2

Splittings

Fitting, socleC2×C32 ⋊ GL(2,𝔽3)
derivedPSU(3,𝔽2)⋊C3 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2AGL(2,𝔽3)
commutator, cosocle, hypocenterPSU(3,𝔽2)⋊C3C22
FrattiniC1G
Fitting, socleC2×C32GL(2,𝔽3)
LCSG ▷ PSU(3,𝔽2)⋊C3
UCSC1 ◁ C2

144 conjugacy classes of subgroups; only the 14 normal subgroups are shown.

normal subgroups only

This group has 144 conjugacy classes of subgroups — too many to draw. Only its 14 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 18

Conjugacy classes & character table

22 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×AGL(2,𝔽3), C4⋊AGL(2,𝔽3), #13180131, …
maximal normal subgroup ofC4×AGL(2,𝔽3), C4⋊AGL(2,𝔽3), #13180131, …
maximal quotient of(PSU(3,𝔽2)⋊C3)⋊Q8, C4×AGL(2,𝔽3), C4⋊AGL(2,𝔽3), …
automorphism group ofC3⋊Dic3, C2×C3⋊D3, C3×C3⋊D3, …
outer automorphism group ofC32×A4, C32×ΓL(1,𝔽8), C32×SL(2,𝔽3), …
holomorph ofC2×C32

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(864, 4661);