Finite Group Databasebeta

D21⋊#95 #13054259

order1344
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD21⋊#95

Splittings

HallC3×C7 ⋊ C2×#95
SylowC7 ⋊ D3×#95
SylowC3 ⋊ D7×#95

Subgroups

subgroupG/H
center, FrattiniC23C2×D3×D7
commutatorC2×C3×C7C2×C42
FittingC22×C3×C4×C7C22
socle, cosocleC23×C3×C7C23
prime radicalC23×D21C22
hypercenterC22×C4D3×D7
hypocenterC3×C7C2×#95
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C23 ◁ C22×C4

660 conjugacy classes of subgroups; only the 176 normal subgroups are shown.

normal subgroups only

This group has 660 conjugacy classes of subgroups — too many to draw. Only its 176 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) = 672

Polycyclic presentation:

2^6,3,7|a^2=f,b^2=f,c^2=d,c^a=ce,h^a=h^6,c^b=ce,g^b=g^2

Conjugacy classes & character table

168 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 3548);