Finite Group Databasebeta
Cayley diagram

C2×C4×Dic14 #90158

order448
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×C4×Dic14

Splittings

SylowC7 ⋊ C2×C4×Q8

Subgroups

subgroupG/H
centerC22×C4C2×D7
commutatorC2×C7C23×C4
FrattiniC22C23×D7
FittingC2×C42×C7C2
socle, prime radicalC23×C7C23
cosocleC22×C7C24
hypercenterC2×C42D7
hypocenterC7C2×C4×Q8
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22×C4 ◁ C2×C42

298 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 4 generators on 21 points:

(7,8,10,12,13,11,9)(14,16,17,21)(15,18,19,20);(1,2)(8,9)(10,11)(12,13)(14,15,17,19)(16,20,21,18);(3,4,5,6);(1,2)

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11726373, #11726374, #11726437, …
maximal normal subgroup of#11726373, #11726374, #11726437, …
maximal quotient ofC42×Dic14, #11730745, C4×#6433, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 920);