Finite Group Databasebeta

C7⋊#16864578 #44476608

order30324
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C19

Aliases

unambiguous semidirect productC7⋊#16864578

Splittings

Fitting, socle, HallC7×C192 ⋊ Dic3
derived, HallC7×#11762246 ⋊ C4
Hall#11762246 ⋊ Dic7
SylowC192 ⋊ Dic21
SylowC7 ⋊ #16864578

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, hypocenterC7×#11762246C4
Fitting, socleC7×C192Dic3
prime radical, cosocleC7×#14524207C2
LCSG ▷ C7×#11762246
UCSC1

44 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 266

Polycyclic presentation:

2^2,3,7,19^2|a^2=b,c^a=c^2,d^a=d^6,e^a=e^8f^11,f^a=ef^11,e^b=e^18,f^b=f^18,e^c=e^7f^13,f^c=f^11

Conjugacy classes & character table

234 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30324, 191);