Finite Group Databasebeta

C7⋊(C7⋊(Dic31⋊C5)) #44477132

order30380
automorphism?
homologyAbelianization (H1) = C4×C5 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊(C7⋊(Dic31⋊C5))
unambiguous semidirect productΓL(1,𝔽32)⋊(C7⋊Dic7)
unambiguous semidirect product(C7⋊Dic217)⋊C5

Splittings

derived, HallC72×C31 ⋊ C4×C5
HallC72×ΓL(1,𝔽32) ⋊ C4
HallC7⋊Dic217 ⋊ C5
HallΓL(1,𝔽32) ⋊ C7⋊Dic7
SylowC72 ⋊ Dic31⋊C5
SylowC31 ⋊ C5×C7⋊Dic7

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊(C7⋊(D31⋊C5))
commutator, hypocenterC72×C31C4×C5
Fitting, socle, cosocleC2×C72×C31C2×C5
prime radicalC2×C72×ΓL(1,𝔽32)C2
LCSG ▷ C72×C31
UCSC1 ◁ C2

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6076

Polycyclic presentation:

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

Conjugacy classes & character table

554 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30380, 41);