Finite Group Databasebeta
Cayley diagram

C52×D4 #6051

order200
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = D4×GL(2,𝔽5) (order 3840) · Inn(G) = C22 · Out(G) = C2×GL(2,𝔽5)
homologyAbelianization (H1) = C22×C52 · Schur multiplier (H2) = C2×C5

Aliases

direct productC52×D4
unambiguous semidirect productC4⋊(C2×C52)
unambiguous semidirect productC22⋊(C2×C52)

Subgroups

subgroupG/H
center, socleC2×C52C22
commutator, Frattini, cosocleC2C22×C52
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C52 ◁ G

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 100

A minimal faithful permutation representation — 2 generators on 14 points:

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

Conjugacy classes & character table

125 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC5×#686, C5×#687, #87809, …
maximal subgroup ofC5×#686, C5×#687, #87809, …
maximal normal subgroup ofC5×#686, C5×#687, #87809, …
maximal quotient ofC52×C22⋊C4, C52×C4⋊C4, C52×D8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(200, 38);