Finite Group Databasebeta
Cayley diagram

D72 #5998

order196
isoclinismisoclinic class of D72
automorphismAut(G) = #72241578 (order 3528) · Inn(G) = G · Out(G) = C3×D3
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD72
unambiguous semidirect product(C7×D7)⋊C2
unambiguous semidirect product(C7⋊D7)⋊C2

Splittings

Fitting, socle, derived, SylowC72 ⋊ C22

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72C22
LCSG ▷ C72
UCSC1

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

25 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#5997⋊C2, C2×D72, #64418⋊C2, …
maximal normal subgroup of#5997⋊C2, C2×D72, D7×AGL(1,𝔽7), …
maximal quotient ofD7×Dic7, #87639, #87640, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(196, 9);