Finite Group Databasebeta
Cayley diagram

C22×D28 #6544

order224
isoclinismisoclinic class of Dic14
automorphismAut(G) order 129024
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC22×D28

Splittings

FittingC22×C4×C7 ⋊ C2
SylowC7 ⋊ C22×D4

Subgroups

subgroupG/H
centerC23C2×D7
commutator, cosocleC2×C7C24
FrattiniC2C23×D7
FittingC22×C4×C7C2
socleC23×C7C22
hypercenterC22×C4D7
hypocenterC7C22×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C22×C4

236 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 4 generators on 15 points:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89437, #89443, #89444, …
maximal normal subgroup of#89437, #89443, #89444, …
maximal quotient ofC2×#6432, C2×C4×D28, C2×#6437, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 176);