Finite Group Databasebeta
Cayley diagram

D4×Dic14 #90228

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productD4×Dic14

Splittings

SylowC7 ⋊ D4×Q8

Subgroups

subgroupG/H
center, FrattiniC22C23×D7
commutator, socle, cosocleC22×C7C24
FittingC4×C7×D4C2
prime radicalC2×C7×D4C22
hypercenterC4×D4D7
hypocenterC7D4×Q8
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ C4×D4

280 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 280 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 224

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

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

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725941, #11725943, #11725946, …
maximal normal subgroup of#11725941, #11725943, #11725946, …
maximal quotient ofC22⋊C4×Dic14, #11730910, #11730911, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 990);