Finite Group Databasebeta

C7⋊(Dic31⋊C5) #16864686

order4340
automorphism?
homologyAbelianization (H1) = C4×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(Dic31⋊C5)
unambiguous semidirect productΓL(1,𝔽32)⋊Dic7
unambiguous semidirect productDic217⋊C5

Splittings

derived, HallC7×C31 ⋊ C4×C5
HallC7×ΓL(1,𝔽32) ⋊ C4
HallDic217 ⋊ C5
HallΓL(1,𝔽32) ⋊ Dic7
SylowC31 ⋊ C5×Dic7
SylowC7 ⋊ Dic31⋊C5

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊(D31⋊C5)
commutator, hypocenterC7×C31C4×C5
Fitting, socle, cosocleC2×C7×C31C2×C5
prime radicalC2×C7×ΓL(1,𝔽32)C2
LCSG ▷ C7×C31
UCSC1 ◁ C2

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 868

Polycyclic presentation:

2,5,7,31,2|a^2=e,c^a=c^6,d^a=d^30,d^b=d^16

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×C7⋊(Dic31⋊C5), C3⋊(C7⋊(Dic31⋊C5)), ((C31⋊C3)⋊C5)⋊Dic7, …
maximal normal subgroup ofC3×C7⋊(Dic31⋊C5), ((C31⋊C3)⋊C5)⋊Dic7, ΓL(1,𝔽8)⋊(Dic31⋊C5), …
maximal quotient ofC3×C7⋊(Dic31⋊C5), C3⋊(C7⋊(Dic31⋊C5)), C7⋊(Dic31⋊C25), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4340, 12);