Finite Group Databasebeta

C4⋊Dic57 #11744888

order912
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic57

Splittings

HallC3×C19 ⋊ C4⋊C4
SylowC19 ⋊ C4⋊Dic3
SylowC3 ⋊ C4⋊Dic19

Subgroups

subgroupG/H
center, FrattiniC22C2×D57
commutatorC2×C3×C19C2×C4
FittingC2×C3×C4×C19C2
socle, prime radical, cosocleC22×C3×C19C22
hypercenterC2×C4D57
hypocenterC3×C19C4⋊C4
LCSG ▷ C2×C3×C19 ▷ C3×C19
UCSC1 ◁ C22 ◁ C2×C4

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 912

Polycyclic presentation:

2^4,3,19|a^2=c,b^2=d,b^a=bd,e^a=e^2,f^a=f^18

Conjugacy classes & character table

234 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#14268855, #14268857, #14268861, …
maximal normal subgroup of#14268855, #14268857, #14268861, …
maximal quotient ofC4⋊(C3⋊(C19⋊C8)), #14269010, #14269011, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(912, 99);