Finite Group Databasebeta
Cayley diagram

C22⋊Dic13 #6108

order208
isoclinismisoclinic class of Dic26
automorphismAut(G) = #120×AGL(1,𝔽13) (order 4992) · Inn(G) = C2×D13 · Out(G) = C3×C4×D4
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic13

Splittings

SylowC13 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D13
commutatorC2×C13C2×C4
Fitting, prime radicalC23×C13C2
socle, cosocleC22×C13C22
hypercenterC23D13
hypocenterC13C22⋊C4
LCSG ▷ C2×C13 ▷ C13
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 104

A minimal faithful permutation representation — 2 generators on 21 points:

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

Polycyclic presentation:

2^4,13|a^2=c,b^a=bd,e^a=e^12

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#88046, #88074, #88131, …
maximal normal subgroup of#88046, #88074, #88131, …
maximal quotient ofC22⋊#1055, #88071, #88072, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(208, 19);