Finite Group Databasebeta

C2×AGL(1,𝔽7)×AGL(2,𝔽3) #72230786

order36288
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C23

Aliases

direct productC2×AGL(1,𝔽7)×AGL(2,𝔽3)

Splittings

Fitting, socleC2×C32×C7 ⋊ C2×C3×GL(2,𝔽3)
derivedC7×PSU(3,𝔽2)⋊C3 ⋊ C23×C3
SylowC7 ⋊ C22×C3×AGL(2,𝔽3)

Subgroups

subgroupG/H
center, hypercenterC2AGL(1,𝔽7)×AGL(2,𝔽3)
commutator, cosocle, hypocenterC7×PSU(3,𝔽2)⋊C3C23×C3
FrattiniC1G
Fitting, socleC2×C32×C7C2×C3×GL(2,𝔽3)
LCSG ▷ C7×PSU(3,𝔽2)⋊C3
UCSC1 ◁ C2

2706 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 2706 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 18
transitive degreeμt(G) = 126

A minimal faithful permutation representation — 3 generators on 18 points:

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

Conjugacy classes & character table

154 conjugacy classes — view the full character table.

Relationships

automorphism group ofC3⋊Dic21, C2×C3⋊D21
holomorph ofC2×C32×C7

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((1,2,9)(3,6,8)(4,5,7)(11,15,14,12,13,16), (2,4)(3,7)(6,8)(10,11,14,15,13,16,12), (17,18));