Finite Group Databasebeta

C7⋊#11927413 #22555415

order8540
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊#11927413

Splittings

Fitting, socle, derived, HallC5×C7×C61 ⋊ C4
HallC7×C61 ⋊ AGL(1,𝔽5)
HallC5×C61 ⋊ Dic7
SylowC61 ⋊ C7⋊AGL(1,𝔽5)
HallC5×C7 ⋊ #6923
SylowC7 ⋊ #11927413
SylowC5 ⋊ C7⋊#6923

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC5×C7×C61C4
LCSG ▷ C5×C7×C61
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,5,7,61|a^2=b,c^a=c^2,d^a=d^6,e^a=e^11,c^b=c^4,e^b=e^60

Conjugacy classes & character table

542 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#38785063, #38785064, ΓL(1,𝔽8)⋊#11927413, …
maximal normal subgroup of#38785063, #38785064, ΓL(1,𝔽8)⋊#11927413, …
maximal quotient ofC3×C7⋊#11927413, C3⋊(C7⋊#11927413)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8540, 30);