Finite Group Databasebeta

3−1+2×B(4,𝔽2) #13145131

order1728
nilpotency class3
isoclinismisoclinic class of H(3,𝔽3)×B(4,𝔽2)
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C24

Aliases

direct product3−1+2×B(4,𝔽2)

Subgroups

subgroupG/H
center, socleC2×C3C32×#120
commutator, Frattini, cosocleC23×C3C23×C32
prime radicalC32×B(4,𝔽2)C3
LCSG ▷ C23×C3 ▷ C2 ▷ C1
UCSC1 ◁ C2×C3 ◁ C23×3−1+2 ◁ G

792 conjugacy classes of subgroups; only the 189 normal subgroups are shown.

normal subgroups only

This group has 792 conjugacy classes of subgroups — too many to draw. Only its 189 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) = 17
transitive degreeμt(G) = 72

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,ℤ/9)×B(4,𝔽2), 3−1+2×#5032, 3−1+2×#5934, …
maximal normal subgroup ofAGL(1,ℤ/9)×B(4,𝔽2), C2×3−1+2×B(4,𝔽2)
maximal quotient of3−1+2×#5032, C2×3−1+2×B(4,𝔽2)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 11194);