Finite Group Databasebeta
Cayley diagram

C5×Q8 #178

order40
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = C4×S4 (order 96) · Inn(G) = C22 · Out(G) = C4×D3
holomorphG ⋊ Aut(G) = AGL(1,𝔽5)×#5935
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×Q8

Subgroups

subgroupG/H
center, socle, prime radicalC2×C5C22
commutator, Frattini, cosocleC2C22×C5
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ G

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 40

A minimal faithful permutation representation — 2 generators on 13 points:

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

Conjugacy classes & character table

25 conjugacy classes — view the full character table.

Relationships

derived subgroup ofC5⋊(#41⋊C3), D5×SL(2,𝔽3), Dic5×SL(2,𝔽3), …
Fitting subgroup of#688, #689, Q8×D5, …
maximal subgroup of#688, #689, C5×SD16, …
maximal normal subgroup of#688, #689, C5×SD16, …
maximal quotient ofC5×C4⋊C4, C2×C5×Q8, C5×Dic6, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(40, 11);