Finite Group Databasebeta

D7×Dic30 #13132685

order1680
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productD7×Dic30

Splittings

HallC3×C5×C7 ⋊ C2×Q8
HallC5×C7 ⋊ C2×Dic6
HallC3×C7 ⋊ C2×Dic10
HallC3×C5 ⋊ Q8×D7
SylowC7 ⋊ C2×Dic30
SylowC5 ⋊ D7×Dic6
SylowC3 ⋊ D7×Dic10

Subgroups

subgroupG/H
center, FrattiniC2C2×D7×D15
commutator, socle, cosocleC2×C3×C5×C7C23
FittingC3×C4×C5×C7C22
prime radicalC2×C3×C5×D7C22
hypercenterC4D7×D15
hypocenterC3×C5×C7C2×Q8
LCSG ▷ C2×C3×C5×C7 ▷ C3×C5×C7
UCSC1 ◁ C2 ◁ C4

152 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 152 conjugacy classes of subgroups — too many to draw. Only its 58 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) = 840

Conjugacy classes & character table

165 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 705);