Finite Group Databasebeta
Cayley diagram

C2×#6039 #87884

order400
isoclinismisoclinic class of #6037
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×#6039

Splittings

SylowC52 ⋊ C2×Q8

Subgroups

subgroupG/H
center, hypercenterC22D52
commutator, cosocleC2×C52C23
FrattiniC2C2×D52
Fitting, socle, prime radicalC22×C52C22
hypocenterC52C2×Q8
LCSG ▷ C2×C52 ▷ C52
UCSC1 ◁ C22

92 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 3 generators on 20 points:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11716758, #11716782, #11716798, …
maximal normal subgroup of#11716758, #11716782, #11716798, …
maximal quotient of#11716988, #11716991, C4×#6039, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 178);