Finite Group Databasebeta
Cayley diagram

C22×Dic7 #1162

order112
isoclinismisoclinic class of D7
automorphismAut(G) = AGL(1,𝔽7)×#5934 (order 8064) · Inn(G) = D7 · Out(G) = C3×#5934
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC22×Dic7

Splittings

derived, SylowC7 ⋊ C22×C4

Subgroups

subgroupG/H
center, hypercenterC23D7
commutator, hypocenterC7C22×C4
FrattiniC2C22×D7
Fitting, socle, prime radicalC23×C7C2
cosocleC2×C7C23
LCSG ▷ C7
UCSC1 ◁ C23

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 15 points:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7⋊#95, #6440, #6441, …
maximal normal subgroup ofC7⋊#95, #6440, #6441, …
maximal quotient ofC22×C7⋊C8, C2×#1136, C2×C4×Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(112, 35);