Finite Group Databasebeta

C2×C9×B(4,𝔽2) #11767744

order1152
nilpotency class3
isoclinismisoclinic class of B(4,𝔽2)
automorphism?
homologyAbelianization (H1) = C24×C9 · Schur multiplier (H2) = C27

Aliases

direct productC2×C9×B(4,𝔽2)

Subgroups

subgroupG/H
centerC22×C9#120
commutatorC23C24×C9
Frattini, cosocleC23×C3C24×C3
socleC22×C3C3×#120
prime radicalC2×C3×B(4,𝔽2)C3
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C9 ◁ C24×C9 ◁ G

1527 conjugacy classes of subgroups; only the 324 normal subgroups are shown.

normal subgroups only

This group has 1527 conjugacy classes of subgroups — too many to draw. Only its 324 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) = 19
transitive degreeμt(G) = 144

A minimal faithful permutation representation — 4 generators on 19 points:

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

Conjugacy classes & character table

288 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×D9×B(4,𝔽2), #72268842, #72268990
maximal subgroup ofB(4,𝔽2)×AGL(1,𝔽19), C2×D9×B(4,𝔽2), #72268842, …
maximal normal subgroup ofC2×D9×B(4,𝔽2), #72268842, C9×#23900, …
maximal quotient ofB(4,𝔽2)×AGL(1,𝔽19), C9×#23900, C9×#32898
automorphism group ofC2×D4×C19, C2×D4×C27

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1152, 1755);