Finite Group Databasebeta
Cayley diagram

C2×C22⋊D7 #1163

order112
isoclinismisoclinic class of Dic14
automorphismAut(G) = #120×AGL(1,𝔽7) (order 1344) · Inn(G) = C2×D7 · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC2×C22⋊D7
unambiguous semidirect productC23⋊D7

Splittings

FittingC23×C7 ⋊ C2
SylowC7 ⋊ C2×D4

Subgroups

subgroupG/H
centerC22C2×D7
commutator, cosocleC2×C7C23
FrattiniC2C22×D7
FittingC23×C7C2
socleC22×C7C22
hypercenterC23D7
hypocenterC7C2×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C23

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 3 generators on 13 points:

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

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#6380, (C22⋊D7)⋊C4, #6445, …
maximal normal subgroup of#6380, (C22⋊D7)⋊C4, #6445, …
maximal quotient ofC2×Dic7⋊C4, #6487, C2×(C2×D7)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(112, 36);