Finite Group Databasebeta

C7⋊D1253 #31798094

order17542
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D1253
unambiguous semidirect productC179⋊(C7⋊D7)

Splittings

Fitting, socle, derived, HallC72×C179 ⋊ C2
SylowC179 ⋊ C7⋊D7
SylowC72 ⋊ D179

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C179C2
LCSG ▷ C72×C179
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8771

Polycyclic presentation:

2,7^2,179|b^a=b^6,c^a=c^6,d^a=d^178

Conjugacy classes & character table

4387 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD7×D1253, C7⋊D7×D179, C2×C7⋊D1253
maximal normal subgroup ofD7×D1253, C7⋊D7×D179, C2×C7⋊D1253
maximal quotient ofC7⋊Dic1253, C2×C7⋊D1253

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17542, 6);