Finite Group Databasebeta

#67⋊Dic7 #10621122

order672
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product#67⋊Dic7

Splittings

HallC3×C7 ⋊ C4×D4
SylowC7 ⋊ #67⋊C4
SylowC3 ⋊ D4×Dic7

Subgroups

subgroupG/H
center, FrattiniC22C2×D3×D7
commutatorC2×C3×C7C22×C4
FittingC23×C3×C7C22
socle, cosocleC22×C3×C7C23
prime radicalC2×C7×#67C2
hypercenterC23D3×D7
hypocenterC3×C7C4×D4
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C22 ◁ C23

188 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 188 conjugacy classes of subgroups — too many to draw. Only its 70 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) = 336

Polycyclic presentation:

2^5,3,7|a^2=d,c^a=ce,g^a=g^6,c^b=ce,f^b=f^2

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13058010, #13058011, #13058017, …
maximal normal subgroup of#13058010, #13058011, #13058017, …
maximal quotient of#13053889, #13053899, #13053908, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 704);