Finite Group Databasebeta

Dic7⋊C27 #10625370

order756
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C4×C27 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productDic7⋊C27
unambiguous semidirect product(C7⋊C27)⋊C4

Splittings

derived, SylowC7 ⋊ C4×C27
HallC7⋊C27 ⋊ C4
HallDic7 ⋊ C27

Subgroups

subgroupG/H
center, Frattini, hypercenterC2×C9AGL(1,𝔽7)
commutator, hypocenterC7C4×C27
Fitting, cosocleC2×C7×C9C2×C3
socle, prime radicalC2×C3×C7C2×C9
LCSG ▷ C7
UCSC1 ◁ C2×C9

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 756

Polycyclic presentation:

2,3,2,3^2,7|a^2=c,b^3=d,d^3=e,f^a=f^6,f^b=f^4

Conjugacy classes & character table

126 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic14⋊C27, C4×D7⋊C27, C2×Dic7⋊C27, …
maximal normal subgroup ofDic14⋊C27, C4×D7⋊C27, C2×Dic7⋊C27, …
maximal quotient of(C7⋊C8)⋊C27, C2×Dic7⋊C27

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(756, 1);