Finite Group Databasebeta
Cayley diagram

C7⋊#261 #67245

order364
isoclinismisoclinic class of C7⋊#261
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊#261

Splittings

Fitting, socle, derived, HallC7×C13 ⋊ C4
SylowC13 ⋊ Dic7
SylowC7 ⋊ #261

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C13C4
prime radical, cosocleC7×D13C2
LCSG ▷ C7×C13
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 91

A minimal faithful permutation representation — 2 generators on 20 points:

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

Polycyclic presentation:

2^2,7,13|a^2=b,c^a=c^6,d^a=d^5,d^b=d^12

Conjugacy classes & character table

31 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#261, C2×C7⋊#261, #11763979, …
maximal normal subgroup ofD7×#261, C2×C7⋊#261, #11763979, …
maximal quotient ofC7⋊#1057, C2×C7⋊#261, C3×C7⋊#261, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(364, 6);